641435755052 has 12 divisors (see below), whose sum is σ = 1122620900520. Its totient is φ = 320686926336.

The previous prime is 641435755031. The next prime is 641435755087. The reversal of 641435755052 is 250557534146.

It is a super-2 number, since 2×641435755052² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641435754988 and 641435755006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7691138 + ... + 7774089.

It is an arithmetic number, because the mean of its divisors is an integer number (93551741710).

Almost surely, 2^641435755052 is an apocalyptic number.

It is an amenable number.

641435755052 is a deficient number, since it is larger than the sum of its proper divisors (481185145468).

641435755052 is a wasteful number, since it uses less digits than its factorization.

641435755052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475600 (or 15475598 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 641435755052 in words is "six hundred forty-one billion, four hundred thirty-five million, seven hundred fifty-five thousand, fifty-two".