1913049504 has 144 divisors (see below), whose sum is σ = 5866922880. Its totient is φ = 589317120.

The previous prime is 1913049503. The next prime is 1913049511. The reversal of 1913049504 is 4059403191.

It is a happy number.

1913049504 is a `hidden beast` number, since 19 + 130 + 4 + 9 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1913049503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220089 + ... + 228615.

It is an arithmetic number, because the mean of its divisors is an integer number (40742520).

Almost surely, 2^1913049504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913049504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933461440).

1913049504 is an abundant number, since it is smaller than the sum of its proper divisors (3953873376).

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

1913049504 is a wasteful number, since it uses less digits than its factorization.

1913049504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1913049504 is about 43738.4213706896. The cubic root of 1913049504 is about 1241.3914107045.

The spelling of 1913049504 in words is "one billion, nine hundred thirteen million, forty-nine thousand, five hundred four".