102274076491 has 2 divisors, whose sum is σ = 102274076492. Its totient is φ = 102274076490.

The previous prime is 102274076449. The next prime is 102274076501. The reversal of 102274076491 is 194670472201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102274076491 - 2²⁷ = 102139858763 is a prime.

It is not a weakly prime, because it can be changed into another prime (102274076791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51137038245 + 51137038246.

It is an arithmetic number, because the mean of its divisors is an integer number (51137038246).

Almost surely, 2^102274076491 is an apocalyptic number.

102274076491 is a deficient number, since it is larger than the sum of its proper divisors (1).

102274076491 is an equidigital number, since it uses as much as digits as its factorization.

102274076491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 102274076491 in words is "one hundred two billion, two hundred seventy-four million, seventy-six thousand, four hundred ninety-one".