64214432551 has 8 divisors (see below), whose sum is σ = 65443865760. Its totient is φ = 62985660192.

The previous prime is 64214432519. The next prime is 64214432599. The reversal of 64214432551 is 15523441246.

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 64214432551 - 2⁵ = 64214432519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64214432551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64214462551) 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, 33246 + ... + 359908.

It is an arithmetic number, because the mean of its divisors is an integer number (8180483220).

Almost surely, 2^64214432551 is an apocalyptic number.

64214432551 is a deficient number, since it is larger than the sum of its proper divisors (1229433209).

64214432551 is a wasteful number, since it uses less digits than its factorization.

64214432551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330425.

The product of its digits is 115200, while the sum is 37.

Adding to 64214432551 its reverse (15523441246), we get a palindrome (79737873797).

The spelling of 64214432551 in words is "sixty-four billion, two hundred fourteen million, four hundred thirty-two thousand, five hundred fifty-one".