64761370061445 has 32 divisors (see below), whose sum is σ = 118845238256640. Its totient is φ = 33425223255360.

The previous prime is 64761370061431. The next prime is 64761370061467. The reversal of 64761370061445 is 54416007316746.

64761370061445 is a `hidden beast` number, since 6 + 4 + 7 + 6 + 13 + 7 + 0 + 0 + 614 + 4 + 5 = 666.

It is not a de Polignac number, because 64761370061445 - 2²² = 64761365867141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64761370061391 and 64761370061400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7737316014 + ... + 7737324383.

It is an arithmetic number, because the mean of its divisors is an integer number (3713913695520).

Almost surely, 2^{64761370061445} is an apocalyptic number.

It is an amenable number.

64761370061445 is a deficient number, since it is larger than the sum of its proper divisors (54083868195195).

64761370061445 is a wasteful number, since it uses less digits than its factorization.

64761370061445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474640442 (or 15474640436 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 64761370061445 in words is "sixty-four trillion, seven hundred sixty-one billion, three hundred seventy million, sixty-one thousand, four hundred forty-five".