745222970789 has 4 divisors (see below), whose sum is σ = 812970513600. Its totient is φ = 677475427980.

The previous prime is 745222970773. The next prime is 745222970839. The reversal of 745222970789 is 987079222547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 745222970789 - 2⁴ = 745222970773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745222970749) 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 in 3 ways as a sum of consecutive naturals, for example, 33873771389 + ... + 33873771410.

It is an arithmetic number, because the mean of its divisors is an integer number (203242628400).

Almost surely, 2^745222970789 is an apocalyptic number.

It is an amenable number.

745222970789 is a deficient number, since it is larger than the sum of its proper divisors (67747542811).

745222970789 is a wasteful number, since it uses less digits than its factorization.

745222970789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67747542810.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 745222970789 in words is "seven hundred forty-five billion, two hundred twenty-two million, nine hundred seventy thousand, seven hundred eighty-nine".