6244702312157 has 2 divisors, whose sum is σ = 6244702312158. Its totient is φ = 6244702312156.

The previous prime is 6244702312153. The next prime is 6244702312187. The reversal of 6244702312157 is 7512132074426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5373800877316 + 870901434841 = 2318146^2 + 933221^2 .

It is a cyclic number.

It is not a de Polignac number, because 6244702312157 - 2² = 6244702312153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6244702312153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122351156078 + 3122351156079.

It is an arithmetic number, because the mean of its divisors is an integer number (3122351156079).

Almost surely, 2^{6244702312157} is an apocalyptic number.

It is an amenable number.

6244702312157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6244702312157 is an equidigital number, since it uses as much as digits as its factorization.

6244702312157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 6244702312157 in words is "six trillion, two hundred forty-four billion, seven hundred two million, three hundred twelve thousand, one hundred fifty-seven".