64923157054 has 32 divisors (see below), whose sum is σ = 117274222080. Its totient is φ = 26332856352.

The previous prime is 64923157043. The next prime is 64923157093. The reversal of 64923157054 is 45075132946.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64923156995 and 64923157013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137332 + ... + 385624.

It is an arithmetic number, because the mean of its divisors is an integer number (3664819440).

Almost surely, 2^64923157054 is an apocalyptic number.

64923157054 is a deficient number, since it is larger than the sum of its proper divisors (52351065026).

64923157054 is a wasteful number, since it uses less digits than its factorization.

64923157054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249304.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 64923157054 in words is "sixty-four billion, nine hundred twenty-three million, one hundred fifty-seven thousand, fifty-four".