65900493 has 16 divisors (see below), whose sum is σ = 102769600. Its totient is φ = 41621040.

The previous prime is 65900491. The next prime is 65900501. The reversal of 65900493 is 39400956.

It is not a de Polignac number, because 65900493 - 2¹ = 65900491 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 (65900491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63718 + ... + 64743.

It is an arithmetic number, because the mean of its divisors is an integer number (6423100).

Almost surely, 2^65900493 is an apocalyptic number.

It is an amenable number.

65900493 is a deficient number, since it is larger than the sum of its proper divisors (36869107).

65900493 is a wasteful number, since it uses less digits than its factorization.

65900493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128489 (or 128483 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 65900493 is about 8117.9118620493. The cubic root of 65900493 is about 403.9208031048.

The spelling of 65900493 in words is "sixty-five million, nine hundred thousand, four hundred ninety-three".