636000412051 has 4 divisors (see below), whose sum is σ = 650791119352. Its totient is φ = 621209704752.

The previous prime is 636000412027. The next prime is 636000412121. The reversal of 636000412051 is 150214000636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 636000412051 - 2¹³ = 636000403859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636000422051) 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, 7395353586 + ... + 7395353671.

It is an arithmetic number, because the mean of its divisors is an integer number (162697779838).

Almost surely, 2^636000412051 is an apocalyptic number.

636000412051 is a deficient number, since it is larger than the sum of its proper divisors (14790707301).

636000412051 is a wasteful number, since it uses less digits than its factorization.

636000412051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790707300.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 636000412051 its reverse (150214000636), we get a palindrome (786214412687).

The spelling of 636000412051 in words is "six hundred thirty-six billion, four hundred twelve thousand, fifty-one".