75401397299 has 2 divisors, whose sum is σ = 75401397300. Its totient is φ = 75401397298.

The previous prime is 75401397241. The next prime is 75401397359. The reversal of 75401397299 is 99279310457.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75401397299 is a prime.

It is not a weakly prime, because it can be changed into another prime (75401397499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37700698649 + 37700698650.

It is an arithmetic number, because the mean of its divisors is an integer number (37700698650).

Almost surely, 2^75401397299 is an apocalyptic number.

75401397299 is a deficient number, since it is larger than the sum of its proper divisors (1).

75401397299 is an equidigital number, since it uses as much as digits as its factorization.

75401397299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 75401397299 in words is "seventy-five billion, four hundred one million, three hundred ninety-seven thousand, two hundred ninety-nine".