64735771046 has 32 divisors (see below), whose sum is σ = 99953896320. Its totient is φ = 31433662656.

The previous prime is 64735771031. The next prime is 64735771073. The reversal of 64735771046 is 64017753746.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64735770985 and 64735771003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4130501 + ... + 4146143.

It is an arithmetic number, because the mean of its divisors is an integer number (3123559260).

Almost surely, 2^64735771046 is an apocalyptic number.

64735771046 is a deficient number, since it is larger than the sum of its proper divisors (35218125274).

64735771046 is a wasteful number, since it uses less digits than its factorization.

64735771046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16148.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 64735771046 in words is "sixty-four billion, seven hundred thirty-five million, seven hundred seventy-one thousand, forty-six".