745794613 has 2 divisors, whose sum is σ = 745794614. Its totient is φ = 745794612.

The previous prime is 745794583. The next prime is 745794629. The reversal of 745794613 is 316497547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634133124 + 111661489 = 25182^2 + 10567^2 .

It is a cyclic number.

It is not a de Polignac number, because 745794613 - 2¹³ = 745786421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745794713) 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, 372897306 + 372897307.

It is an arithmetic number, because the mean of its divisors is an integer number (372897307).

Almost surely, 2^745794613 is an apocalyptic number.

It is an amenable number.

745794613 is a deficient number, since it is larger than the sum of its proper divisors (1).

745794613 is an equidigital number, since it uses as much as digits as its factorization.

745794613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 745794613 is about 27309.2404324983. The cubic root of 745794613 is about 906.8589580224.

The spelling of 745794613 in words is "seven hundred forty-five million, seven hundred ninety-four thousand, six hundred thirteen".