1534909950 has 144 divisors (see below), whose sum is σ = 4779979776. Its totient is φ = 345844800.

The previous prime is 1534909949. The next prime is 1534909963. The reversal of 1534909950 is 599094351.

It is a happy number.

1534909950 is a `hidden beast` number, since 153 + 490 + 9 + 9 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1534909896 and 1534909905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 220219 + ... + 227081.

It is an arithmetic number, because the mean of its divisors is an integer number (33194304).

Almost surely, 2^1534909950 is an apocalyptic number.

1534909950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534909950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389989888).

1534909950 is an abundant number, since it is smaller than the sum of its proper divisors (3245069826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1534909950 is a wasteful number, since it uses less digits than its factorization.

1534909950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959 (or 6951 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 1534909950 is about 39177.9268211068. The cubic root of 1534909950 is about 1153.5266534358.

The spelling of 1534909950 in words is "one billion, five hundred thirty-four million, nine hundred nine thousand, nine hundred fifty".