64089495 has 16 divisors (see below), whose sum is σ = 113937120. Its totient is φ = 34180992.

The previous prime is 64089491. The next prime is 64089511. The reversal of 64089495 is 59498046.

It is a happy number.

It is not a de Polignac number, because 64089495 - 2² = 64089491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64089495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64089491) 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 15 ways as a sum of consecutive naturals, for example, 237234 + ... + 237503.

It is an arithmetic number, because the mean of its divisors is an integer number (7121070).

Almost surely, 2^64089495 is an apocalyptic number.

64089495 is a deficient number, since it is larger than the sum of its proper divisors (49847625).

64089495 is a wasteful number, since it uses less digits than its factorization.

64089495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474751 (or 474745 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 64089495 is about 8005.5914834570. The cubic root of 64089495 is about 400.1863610771.

The spelling of 64089495 in words is "sixty-four million, eighty-nine thousand, four hundred ninety-five".