6964007778545 has 32 divisors (see below), whose sum is σ = 8861218103808. Its totient is φ = 5235888135168.

The previous prime is 6964007778521. The next prime is 6964007778577. The reversal of 6964007778545 is 5458777004696.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6964007778545 - 2⁸ = 6964007778289 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, 265151084 + ... + 265177346.

It is an arithmetic number, because the mean of its divisors is an integer number (276913065744).

Almost surely, 2^{6964007778545} is an apocalyptic number.

It is an amenable number.

6964007778545 is a deficient number, since it is larger than the sum of its proper divisors (1897210325263).

6964007778545 is a wasteful number, since it uses less digits than its factorization.

6964007778545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30689.

The product of its (nonzero) digits is 355622400, while the sum is 68.

The spelling of 6964007778545 in words is "six trillion, nine hundred sixty-four billion, seven million, seven hundred seventy-eight thousand, five hundred forty-five".