64232623245 has 64 divisors (see below), whose sum is σ = 117906776064. Its totient is φ = 29250547200.

The previous prime is 64232623229. The next prime is 64232623283. The reversal of 64232623245 is 54232623246.

It is not a de Polignac number, because 64232623245 - 2⁴ = 64232623229 is a prime.

It is a super-2 number, since 2×64232623245² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40575724 + ... + 40577306.

It is an arithmetic number, because the mean of its divisors is an integer number (1842293376).

Almost surely, 2^64232623245 is an apocalyptic number.

It is an amenable number.

64232623245 is a deficient number, since it is larger than the sum of its proper divisors (53674152819).

64232623245 is a wasteful number, since it uses less digits than its factorization.

64232623245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842.

The product of its digits is 414720, while the sum is 39.

Subtracting from 64232623245 its reverse (54232623246), we obtain a palindrome (9999999999).

The spelling of 64232623245 in words is "sixty-four billion, two hundred thirty-two million, six hundred twenty-three thousand, two hundred forty-five".