6249385957 has 2 divisors, whose sum is σ = 6249385958. Its totient is φ = 6249385956.

The previous prime is 6249385949. The next prime is 6249385999. The reversal of 6249385957 is 7595839426.

6249385957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4634069476 + 1615316481 = 68074^2 + 40191^2 .

It is a cyclic number.

It is not a de Polignac number, because 6249385957 - 2³ = 6249385949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6249385907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3124692978 + 3124692979.

It is an arithmetic number, because the mean of its divisors is an integer number (3124692979).

Almost surely, 2^6249385957 is an apocalyptic number.

It is an amenable number.

6249385957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6249385957 is an equidigital number, since it uses as much as digits as its factorization.

6249385957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 58.

The square root of 6249385957 is about 79053.0578598956. The cubic root of 6249385957 is about 1841.9554232444.

The spelling of 6249385957 in words is "six billion, two hundred forty-nine million, three hundred eighty-five thousand, nine hundred fifty-seven".