964851904868545 has 32 divisors (see below), whose sum is σ = 1174457049266592. Its totient is φ = 760874101112832.

The previous prime is 964851904868539. The next prime is 964851904868573. The reversal of 964851904868545 is 545868409158469.

It can be written as a sum of positive squares in 16 ways, for example, as 633824883422641 + 331027021445904 = 25175879^2 + 18194148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964851904868545 is a prime.

It is a Duffinian 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, 107997057 + ... + 116589313.

It is an arithmetic number, because the mean of its divisors is an integer number (36701782789581).

Almost surely, 2^{964851904868545} is an apocalyptic number.

It is an amenable number.

964851904868545 is a deficient number, since it is larger than the sum of its proper divisors (209605144398047).

964851904868545 is a wasteful number, since it uses less digits than its factorization.

964851904868545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593461.

The product of its (nonzero) digits is 11943936000, while the sum is 82.

The spelling of 964851904868545 in words is "nine hundred sixty-four trillion, eight hundred fifty-one billion, nine hundred four million, eight hundred sixty-eight thousand, five hundred forty-five".