97500000019 has 2 divisors, whose sum is σ = 97500000020. Its totient is φ = 97500000018.

The previous prime is 97499999977. The next prime is 97500000041. The reversal of 97500000019 is 91000000579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97500000019 - 2²⁷ = 97365782291 is a prime.

It is a super-2 number, since 2×97500000019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97500060019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48750000009 + 48750000010.

It is an arithmetic number, because the mean of its divisors is an integer number (48750000010).

Almost surely, 2^97500000019 is an apocalyptic number.

97500000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

97500000019 is an equidigital number, since it uses as much as digits as its factorization.

97500000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 31.

The spelling of 97500000019 in words is "ninety-seven billion, five hundred million, nineteen", and thus it is an aban number.