64824629961 has 32 divisors (see below), whose sum is σ = 106540600320. Its totient is φ = 34141230144.

The previous prime is 64824629927. The next prime is 64824629971. The reversal of 64824629961 is 16992642846.

It is not a de Polignac number, because 64824629961 - 2¹⁰ = 64824628937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64824629971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255 + ... + 360068.

It is an arithmetic number, because the mean of its divisors is an integer number (3329393760).

Almost surely, 2^64824629961 is an apocalyptic number.

It is an amenable number.

64824629961 is a deficient number, since it is larger than the sum of its proper divisors (41715970359).

64824629961 is a wasteful number, since it uses less digits than its factorization.

64824629961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361005.

The product of its digits is 8957952, while the sum is 57.

The spelling of 64824629961 in words is "sixty-four billion, eight hundred twenty-four million, six hundred twenty-nine thousand, nine hundred sixty-one".