1964579815002 has 64 divisors (see below), whose sum is σ = 4515869491200. Its totient is φ = 558141709440.

The previous prime is 1964579814971. The next prime is 1964579815021. The reversal of 1964579815002 is 2005189754691.

It is a happy 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, 5479399 + ... + 5826917.

It is an arithmetic number, because the mean of its divisors is an integer number (70560460800).

Almost surely, 2^{1964579815002} is an apocalyptic number.

1964579815002 is an abundant number, since it is smaller than the sum of its proper divisors (2551289676198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1964579815002 is a wasteful number, since it uses less digits than its factorization.

1964579815002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348291.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 1964579815002 in words is "one trillion, nine hundred sixty-four billion, five hundred seventy-nine million, eight hundred fifteen thousand, two".