645525411367 has 8 divisors (see below), whose sum is σ = 660609118224. Its totient is φ = 630444954048.

The previous prime is 645525411361. The next prime is 645525411371. The reversal of 645525411367 is 763114525546.

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 645525411367 - 2⁷ = 645525411239 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 645525411367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645525411361) 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, 408118 + ... + 1207315.

It is an arithmetic number, because the mean of its divisors is an integer number (82576139778).

Almost surely, 2^645525411367 is an apocalyptic number.

645525411367 is a deficient number, since it is larger than the sum of its proper divisors (15083706857).

645525411367 is a wasteful number, since it uses less digits than its factorization.

645525411367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624769.

The product of its digits is 3024000, while the sum is 49.

The spelling of 645525411367 in words is "six hundred forty-five billion, five hundred twenty-five million, four hundred eleven thousand, three hundred sixty-seven".