75322197451 has 2 divisors, whose sum is σ = 75322197452. Its totient is φ = 75322197450.

The previous prime is 75322197413. The next prime is 75322197481. The reversal of 75322197451 is 15479122357.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75322197451 - 2²¹ = 75320100299 is a prime.

It is not a weakly prime, because it can be changed into another prime (75322197481) 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, 37661098725 + 37661098726.

It is an arithmetic number, because the mean of its divisors is an integer number (37661098726).

Almost surely, 2^75322197451 is an apocalyptic number.

75322197451 is a deficient number, since it is larger than the sum of its proper divisors (1).

75322197451 is an equidigital number, since it uses as much as digits as its factorization.

75322197451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The spelling of 75322197451 in words is "seventy-five billion, three hundred twenty-two million, one hundred ninety-seven thousand, four hundred fifty-one".