745917391403 has 2 divisors, whose sum is σ = 745917391404. Its totient is φ = 745917391402.

The previous prime is 745917391399. The next prime is 745917391493. The reversal of 745917391403 is 304193719547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745917391403 - 2² = 745917391399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (745917391493) 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, 372958695701 + 372958695702.

It is an arithmetic number, because the mean of its divisors is an integer number (372958695702).

Almost surely, 2^745917391403 is an apocalyptic number.

745917391403 is a deficient number, since it is larger than the sum of its proper divisors (1).

745917391403 is an equidigital number, since it uses as much as digits as its factorization.

745917391403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 745917391403 in words is "seven hundred forty-five billion, nine hundred seventeen million, three hundred ninety-one thousand, four hundred three".