1964512466427 has 16 divisors (see below), whose sum is σ = 2993605684992. Its totient is φ = 1122554972640.

The previous prime is 1964512466387. The next prime is 1964512466473. The reversal of 1964512466427 is 7246642154691.

It is not a de Polignac number, because 1964512466427 - 2⁶ = 1964512466363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1964512461427) 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, 67168 + ... + 1983314.

It is an arithmetic number, because the mean of its divisors is an integer number (187100355312).

Almost surely, 2^{1964512466427} is an apocalyptic number.

1964512466427 is a deficient number, since it is larger than the sum of its proper divisors (1029093218565).

1964512466427 is a wasteful number, since it uses less digits than its factorization.

1964512466427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964978.

The product of its digits is 17418240, while the sum is 57.

The spelling of 1964512466427 in words is "one trillion, nine hundred sixty-four billion, five hundred twelve million, four hundred sixty-six thousand, four hundred twenty-seven".