64349495 has 12 divisors (see below), whose sum is σ = 89826984. Its totient is φ = 44125200.

The previous prime is 64349491. The next prime is 64349507. The reversal of 64349495 is 59494346.

It is a happy number.

It is not a de Polignac number, because 64349495 - 2² = 64349491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64349491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131081 + ... + 131570.

It is an arithmetic number, because the mean of its divisors is an integer number (7485582).

Almost surely, 2^64349495 is an apocalyptic number.

64349495 is a deficient number, since it is larger than the sum of its proper divisors (25477489).

64349495 is a wasteful number, since it uses less digits than its factorization.

64349495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262670 (or 262663 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 64349495 is about 8021.8136976621. The cubic root of 64349495 is about 400.7267932126.

The spelling of 64349495 in words is "sixty-four million, three hundred forty-nine thousand, four hundred ninety-five".