64476867403 has 32 divisors (see below), whose sum is σ = 77343759360. Its totient is φ = 53173169280.

The previous prime is 64476867401. The next prime is 64476867431. The reversal of 64476867403 is 30476867446.

It is a cyclic number.

It is not a de Polignac number, because 64476867403 - 2¹ = 64476867401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64476867401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323425 + ... + 483277.

It is an arithmetic number, because the mean of its divisors is an integer number (2416992480).

Almost surely, 2^64476867403 is an apocalyptic number.

64476867403 is a deficient number, since it is larger than the sum of its proper divisors (12866891957).

64476867403 is a wasteful number, since it uses less digits than its factorization.

64476867403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159979.

The product of its (nonzero) digits is 16257024, while the sum is 55.

The spelling of 64476867403 in words is "sixty-four billion, four hundred seventy-six million, eight hundred sixty-seven thousand, four hundred three".