64600636053 has 4 divisors (see below), whose sum is σ = 86134181408. Its totient is φ = 43067090700.

The previous prime is 64600636007. The next prime is 64600636099. The reversal of 64600636053 is 35063600646.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64600636007) and next prime (64600636099).

It is not a de Polignac number, because 64600636053 - 2¹⁴ = 64600619669 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 (64600636453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10766772673 + ... + 10766772678.

It is an arithmetic number, because the mean of its divisors is an integer number (21533545352).

Almost surely, 2^64600636053 is an apocalyptic number.

It is an amenable number.

64600636053 is a deficient number, since it is larger than the sum of its proper divisors (21533545355).

64600636053 is a wasteful number, since it uses less digits than its factorization.

64600636053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533545354.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 64600636053 in words is "sixty-four billion, six hundred million, six hundred thirty-six thousand, fifty-three".