1964652014647 has 16 divisors (see below), whose sum is σ = 2363639200000. Its totient is φ = 1595256586560.

The previous prime is 1964652014629. The next prime is 1964652014687. The reversal of 1964652014647 is 7464102564691.

It is a de Polignac number, because none of the positive numbers 2^k-1964652014647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964652014687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706572 + ... + 2615662.

It is an arithmetic number, because the mean of its divisors is an integer number (147727450000).

Almost surely, 2^{1964652014647} is an apocalyptic number.

1964652014647 is a deficient number, since it is larger than the sum of its proper divisors (398987185353).

1964652014647 is a wasteful number, since it uses less digits than its factorization.

1964652014647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925366.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1964652014647 in words is "one trillion, nine hundred sixty-four billion, six hundred fifty-two million, fourteen thousand, six hundred forty-seven".