64811465 has 8 divisors (see below), whose sum is σ = 78289728. Its totient is φ = 51505200.

The previous prime is 64811459. The next prime is 64811471. The reversal of 64811465 is 56411846.

It is an interprime number because it is at equal distance from previous prime (64811459) and next prime (64811471).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64811465 - 2¹⁰ = 64810441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42167 + ... + 43676.

It is an arithmetic number, because the mean of its divisors is an integer number (9786216).

Almost surely, 2^64811465 is an apocalyptic number.

It is an amenable number.

64811465 is a deficient number, since it is larger than the sum of its proper divisors (13478263).

64811465 is a wasteful number, since it uses less digits than its factorization.

64811465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85999.

The product of its digits is 23040, while the sum is 35.

The square root of 64811465 is about 8050.5568130409. The cubic root of 64811465 is about 401.6834570745.

The spelling of 64811465 in words is "sixty-four million, eight hundred eleven thousand, four hundred sixty-five".