1964502250655 has 48 divisors (see below), whose sum is σ = 2758133813760. Its totient is φ = 1315721781504.

The previous prime is 1964502250649. The next prime is 1964502250687. The reversal of 1964502250655 is 5560522054691.

It is not a de Polignac number, because 1964502250655 - 2⁴ = 1964502250639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19159916 + ... + 19262174.

It is an arithmetic number, because the mean of its divisors is an integer number (57461121120).

Almost surely, 2^{1964502250655} is an apocalyptic number.

1964502250655 is a deficient number, since it is larger than the sum of its proper divisors (793631563105).

1964502250655 is a wasteful number, since it uses less digits than its factorization.

1964502250655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102520 (or 102447 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 1964502250655 in words is "one trillion, nine hundred sixty-four billion, five hundred two million, two hundred fifty thousand, six hundred fifty-five".