249379913201 has 2 divisors, whose sum is σ = 249379913202. Its totient is φ = 249379913200.

The previous prime is 249379913197. The next prime is 249379913243. The reversal of 249379913201 is 102319973942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247828734976 + 1551178225 = 497824^2 + 39385^2 .

It is a cyclic number.

It is not a de Polignac number, because 249379913201 - 2² = 249379913197 is a prime.

It is a super-2 number, since 2×249379913201² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249379913201.

It is not a weakly prime, because it can be changed into another prime (249379913291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124689956600 + 124689956601.

It is an arithmetic number, because the mean of its divisors is an integer number (124689956601).

Almost surely, 2^249379913201 is an apocalyptic number.

It is an amenable number.

249379913201 is a deficient number, since it is larger than the sum of its proper divisors (1).

249379913201 is an equidigital number, since it uses as much as digits as its factorization.

249379913201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 249379913201 in words is "two hundred forty-nine billion, three hundred seventy-nine million, nine hundred thirteen thousand, two hundred one".