747792407389 has 2 divisors, whose sum is σ = 747792407390. Its totient is φ = 747792407388.

The previous prime is 747792407381. The next prime is 747792407419. The reversal of 747792407389 is 983704297747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679379820025 + 68412587364 = 824245^2 + 261558^2 .

It is a cyclic number.

It is not a de Polignac number, because 747792407389 - 2³ = 747792407381 is a prime.

It is a super-2 number, since 2×747792407389² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747792407381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373896203694 + 373896203695.

It is an arithmetic number, because the mean of its divisors is an integer number (373896203695).

Almost surely, 2^747792407389 is an apocalyptic number.

It is an amenable number.

747792407389 is a deficient number, since it is larger than the sum of its proper divisors (1).

747792407389 is an equidigital number, since it uses as much as digits as its factorization.

747792407389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 149361408, while the sum is 67.

The spelling of 747792407389 in words is "seven hundred forty-seven billion, seven hundred ninety-two million, four hundred seven thousand, three hundred eighty-nine".