64496943 has 24 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 36386064.

The previous prime is 64496941. The next prime is 64496951. The reversal of 64496943 is 34969446.

It is a happy number.

It is not a de Polignac number, because 64496943 - 2¹ = 64496941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64496941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (4492800).

Almost surely, 2^64496943 is an apocalyptic number.

64496943 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

64496943 is a deficient number, since it is larger than the sum of its proper divisors (43330257).

64496943 is a wasteful number, since it uses less digits than its factorization.

64496943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13051 (or 13048 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 64496943 is about 8030.9988793425. The cubic root of 64496943 is about 401.0326298118.

The spelling of 64496943 in words is "sixty-four million, four hundred ninety-six thousand, nine hundred forty-three".