641907063 has 24 divisors (see below), whose sum is σ = 1121990688. Its totient is φ = 345226752.

The previous prime is 641907041. The next prime is 641907089. The reversal of 641907063 is 360709146.

641907063 is a `hidden beast` number, since 641 + 9 + 0 + 7 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 641907063 - 2⁸ = 641906807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641907163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298606 + ... + 300747.

It is an arithmetic number, because the mean of its divisors is an integer number (46749612).

Almost surely, 2^641907063 is an apocalyptic number.

641907063 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

641907063 is a deficient number, since it is larger than the sum of its proper divisors (480083625).

641907063 is a wasteful number, since it uses less digits than its factorization.

641907063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599383 (or 599380 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 641907063 is about 25335.8848868556. The cubic root of 641907063 is about 862.6289944434.

It can be divided in two parts, 64190 and 7063, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 641907063 in words is "six hundred forty-one million, nine hundred seven thousand, sixty-three".