75170399399 has 2 divisors, whose sum is σ = 75170399400. Its totient is φ = 75170399398.

The previous prime is 75170399377. The next prime is 75170399401. The reversal of 75170399399 is 99399307157.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75170399399 is a prime.

It is a super-2 number, since 2×75170399399² (a number of 23 digits) contains 22 as substring.

Together with 75170399401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75170399309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37585199699 + 37585199700.

It is an arithmetic number, because the mean of its divisors is an integer number (37585199700).

Almost surely, 2^75170399399 is an apocalyptic number.

75170399399 is a deficient number, since it is larger than the sum of its proper divisors (1).

75170399399 is an equidigital number, since it uses as much as digits as its factorization.

75170399399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14467005, while the sum is 62.

The spelling of 75170399399 in words is "seventy-five billion, one hundred seventy million, three hundred ninety-nine thousand, three hundred ninety-nine".