249394988707 has 2 divisors, whose sum is σ = 249394988708. Its totient is φ = 249394988706.

The previous prime is 249394988699. The next prime is 249394988753. The reversal of 249394988707 is 707889493942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249394988707 - 2³ = 249394988699 is a prime.

It is not a weakly prime, because it can be changed into another prime (249394988767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124697494353 + 124697494354.

It is an arithmetic number, because the mean of its divisors is an integer number (124697494354).

Almost surely, 2^249394988707 is an apocalyptic number.

249394988707 is a deficient number, since it is larger than the sum of its proper divisors (1).

249394988707 is an equidigital number, since it uses as much as digits as its factorization.

249394988707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 249394988707 in words is "two hundred forty-nine billion, three hundred ninety-four million, nine hundred eighty-eight thousand, seven hundred seven".