249292474073 has 2 divisors, whose sum is σ = 249292474074. Its totient is φ = 249292474072.

The previous prime is 249292474063. The next prime is 249292474141. The reversal of 249292474073 is 370474292942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241800359824 + 7492114249 = 491732^2 + 86557^2 .

It is a cyclic number.

It is not a de Polignac number, because 249292474073 - 2²⁸ = 249024038617 is a prime.

It is not a weakly prime, because it can be changed into another prime (249292474063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124646237036 + 124646237037.

It is an arithmetic number, because the mean of its divisors is an integer number (124646237037).

Almost surely, 2^249292474073 is an apocalyptic number.

It is an amenable number.

249292474073 is a deficient number, since it is larger than the sum of its proper divisors (1).

249292474073 is an equidigital number, since it uses as much as digits as its factorization.

249292474073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 249292474073 in words is "two hundred forty-nine billion, two hundred ninety-two million, four hundred seventy-four thousand, seventy-three".