438050902477 has 4 divisors (see below), whose sum is σ = 438063129180. Its totient is φ = 438038675776.

The previous prime is 438050902447. The next prime is 438050902537. The reversal of 438050902477 is 774209050834.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108016738281 + 330034164196 = 328659^2 + 574486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438050902477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438050902477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438050902447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059452 + ... + 6131317.

It is an arithmetic number, because the mean of its divisors is an integer number (109515782295).

Almost surely, 2^438050902477 is an apocalyptic number.

It is an amenable number.

438050902477 is a deficient number, since it is larger than the sum of its proper divisors (12226703).

438050902477 is a wasteful number, since it uses less digits than its factorization.

438050902477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226702.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 438050902477 in words is "four hundred thirty-eight billion, fifty million, nine hundred two thousand, four hundred seventy-seven".