63466940375 has 16 divisors (see below), whose sum is σ = 79377886848. Its totient is φ = 50663844000.

The previous prime is 63466940359. The next prime is 63466940401. The reversal of 63466940375 is 57304966436.

It is a happy number.

It is not a de Polignac number, because 63466940375 - 2⁴ = 63466940359 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490436 + ... + 606185.

It is an arithmetic number, because the mean of its divisors is an integer number (4961117928).

Almost surely, 2^63466940375 is an apocalyptic number.

63466940375 is a deficient number, since it is larger than the sum of its proper divisors (15910946473).

63466940375 is a wasteful number, since it uses less digits than its factorization.

63466940375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097099 (or 1097089 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 63466940375 in words is "sixty-three billion, four hundred sixty-six million, nine hundred forty thousand, three hundred seventy-five".