747551748831493 has 2 divisors, whose sum is σ = 747551748831494. Its totient is φ = 747551748831492.

The previous prime is 747551748831467. The next prime is 747551748831497. The reversal of 747551748831493 is 394138847155747.

747551748831493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392305285663204 + 355246463168289 = 19806698^2 + 18847983^2 .

It is a cyclic number.

It is not a de Polignac number, because 747551748831493 - 2⁹ = 747551748830981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747551748831497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373775874415746 + 373775874415747.

It is an arithmetic number, because the mean of its divisors is an integer number (373775874415747).

Almost surely, 2^{747551748831493} is an apocalyptic number.

It is an amenable number.

747551748831493 is a deficient number, since it is larger than the sum of its proper divisors (1).

747551748831493 is an equidigital number, since it uses as much as digits as its factorization.

747551748831493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2844979200, while the sum is 76.

The spelling of 747551748831493 in words is "seven hundred forty-seven trillion, five hundred fifty-one billion, seven hundred forty-eight million, eight hundred thirty-one thousand, four hundred ninety-three".