641006522031 has 8 divisors (see below), whose sum is σ = 855300587904. Its totient is φ = 427025068760.

The previous prime is 641006522021. The next prime is 641006522047. The reversal of 641006522031 is 130225600146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641006522031 - 2¹⁹ = 641005997743 is a prime.

It is a super-2 number, since 2×641006522031² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641006522031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641006522021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78148365 + ... + 78156566.

It is an arithmetic number, because the mean of its divisors is an integer number (106912573488).

Almost surely, 2^641006522031 is an apocalyptic number.

641006522031 is a deficient number, since it is larger than the sum of its proper divisors (214294065873).

641006522031 is a wasteful number, since it uses less digits than its factorization.

641006522031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156306301.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 641006522031 in words is "six hundred forty-one billion, six million, five hundred twenty-two thousand, thirty-one".