64670290503 has 64 divisors (see below), whose sum is σ = 113000294400. Its totient is φ = 32628524544.

The previous prime is 64670290499. The next prime is 64670290507. The reversal of 64670290503 is 30509207646.

64670290503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64670290499) and next prime (64670290507).

It is not a de Polignac number, because 64670290503 - 2² = 64670290499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64670290507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202575 + ... + 412767.

It is an arithmetic number, because the mean of its divisors is an integer number (1765629600).

Almost surely, 2^64670290503 is an apocalyptic number.

64670290503 is a deficient number, since it is larger than the sum of its proper divisors (48330003897).

64670290503 is a wasteful number, since it uses less digits than its factorization.

64670290503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210253 (or 210239 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 64670290503 in words is "sixty-four billion, six hundred seventy million, two hundred ninety thousand, five hundred three".