745403750456543 has 4 divisors (see below), whose sum is σ = 746934353640720. Its totient is φ = 743873147272368.

The previous prime is 745403750456537. The next prime is 745403750456567. The reversal of 745403750456543 is 345654057304547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745403750456543 - 2⁶ = 745403750456479 is a prime.

It is a super-4 number, since 4×745403750456543⁴ (a number of 61 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745403750476543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765301591358 + ... + 765301592331.

It is an arithmetic number, because the mean of its divisors is an integer number (186733588410180).

Almost surely, 2^{745403750456543} is an apocalyptic number.

745403750456543 is a deficient number, since it is larger than the sum of its proper divisors (1530603184177).

745403750456543 is a wasteful number, since it uses less digits than its factorization.

745403750456543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530603184176.

The product of its (nonzero) digits is 423360000, while the sum is 62.

The spelling of 745403750456543 in words is "seven hundred forty-five trillion, four hundred three billion, seven hundred fifty million, four hundred fifty-six thousand, five hundred forty-three".