4263943950 has 192 divisors, whose sum is σ = 13891968000. Its totient is φ = 940947840.

The previous prime is 4263943903. The next prime is 4263943963. The reversal of 4263943950 is 593493624.

4263943950 is a `hidden beast` number, since 4 + 2 + 639 + 4 + 3 + 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 = 4263943896 and 4263943905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 266271 + ... + 281829.

It is an arithmetic number, because the mean of its divisors is an integer number (72354000).

Almost surely, 2^4263943950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4263943950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6945984000).

4263943950 is an abundant number, since it is smaller than the sum of its proper divisors (9628024050).

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

4263943950 is a wasteful number, since it uses less digits than its factorization.

4263943950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616 (or 15605 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 4263943950 is about 65298.8816902709. The cubic root of 4263943950 is about 1621.5754563918.

The spelling of 4263943950 in words is "four billion, two hundred sixty-three million, nine hundred forty-three thousand, nine hundred fifty".