253874899573 has 2 divisors, whose sum is σ = 253874899574. Its totient is φ = 253874899572.

The previous prime is 253874899513. The next prime is 253874899639. The reversal of 253874899573 is 375998478352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252895334769 + 979564804 = 502887^2 + 31298^2 .

It is a cyclic number.

It is not a de Polignac number, because 253874899573 - 2¹³ = 253874891381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253874899513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126937449786 + 126937449787.

It is an arithmetic number, because the mean of its divisors is an integer number (126937449787).

Almost surely, 2^253874899573 is an apocalyptic number.

It is an amenable number.

253874899573 is a deficient number, since it is larger than the sum of its proper divisors (1).

253874899573 is an equidigital number, since it uses as much as digits as its factorization.

253874899573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 457228800, while the sum is 70.

The spelling of 253874899573 in words is "two hundred fifty-three billion, eight hundred seventy-four million, eight hundred ninety-nine thousand, five hundred seventy-three".