274991873623 has 2 divisors, whose sum is σ = 274991873624. Its totient is φ = 274991873622.

The previous prime is 274991873609. The next prime is 274991873627. The reversal of 274991873623 is 326378199472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274991873623 - 2¹⁷ = 274991742551 is a prime.

It is a super-2 number, since 2×274991873623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274991873627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137495936811 + 137495936812.

It is an arithmetic number, because the mean of its divisors is an integer number (137495936812).

Almost surely, 2^274991873623 is an apocalyptic number.

274991873623 is a deficient number, since it is larger than the sum of its proper divisors (1).

274991873623 is an equidigital number, since it uses as much as digits as its factorization.

274991873623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 61.

The spelling of 274991873623 in words is "two hundred seventy-four billion, nine hundred ninety-one million, eight hundred seventy-three thousand, six hundred twenty-three".