501738699672 has 96 divisors (see below), whose sum is σ = 1562892708000. Its totient is φ = 142440809472.

The previous prime is 501738699647. The next prime is 501738699673. The reversal of 501738699672 is 276996837105.

501738699672 is a `hidden beast` number, since 501 + 7 + 3 + 8 + 69 + 9 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501738699673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3091297 + ... + 3249552.

It is an arithmetic number, because the mean of its divisors is an integer number (16280132375).

Almost surely, 2^501738699672 is an apocalyptic number.

It is an amenable number.

501738699672 is an abundant number, since it is smaller than the sum of its proper divisors (1061154008328).

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

501738699672 is a wasteful number, since it uses less digits than its factorization.

501738699672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341025 (or 6341018 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 501738699672 in words is "five hundred one billion, seven hundred thirty-eight million, six hundred ninety-nine thousand, six hundred seventy-two".