6136650465251 has 4 divisors (see below), whose sum is σ = 6334606931904. Its totient is φ = 5938693998600.

The previous prime is 6136650465191. The next prime is 6136650465287. The reversal of 6136650465251 is 1525640566316.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6136650465251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6136650465251.

It is not an unprimeable number, because it can be changed into a prime (6136650465551) 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, 98978233280 + ... + 98978233341.

It is an arithmetic number, because the mean of its divisors is an integer number (1583651732976).

Almost surely, 2^{6136650465251} is an apocalyptic number.

6136650465251 is a deficient number, since it is larger than the sum of its proper divisors (197956466653).

6136650465251 is a wasteful number, since it uses less digits than its factorization.

6136650465251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197956466652.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 6136650465251 in words is "six trillion, one hundred thirty-six billion, six hundred fifty million, four hundred sixty-five thousand, two hundred fifty-one".