97251072419 has 2 divisors, whose sum is σ = 97251072420. Its totient is φ = 97251072418.

The previous prime is 97251072397. The next prime is 97251072433. The reversal of 97251072419 is 91427015279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97251072419 is a prime.

It is a super-2 number, since 2×97251072419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97251072119) 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, 48625536209 + 48625536210.

It is an arithmetic number, because the mean of its divisors is an integer number (48625536210).

Almost surely, 2^97251072419 is an apocalyptic number.

97251072419 is a deficient number, since it is larger than the sum of its proper divisors (1).

97251072419 is an equidigital number, since it uses as much as digits as its factorization.

97251072419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 97251072419 in words is "ninety-seven billion, two hundred fifty-one million, seventy-two thousand, four hundred nineteen".