612738479 has 2 divisors, whose sum is σ = 612738480. Its totient is φ = 612738478.

The previous prime is 612738409. The next prime is 612738487. The reversal of 612738479 is 974837216.

612738479 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 is a cyclic number.

It is not a de Polignac number, because 612738479 - 2²⁴ = 595961263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612738409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306369239 + 306369240.

It is an arithmetic number, because the mean of its divisors is an integer number (306369240).

Almost surely, 2^612738479 is an apocalyptic number.

612738479 is a deficient number, since it is larger than the sum of its proper divisors (1).

612738479 is an equidigital number, since it uses as much as digits as its factorization.

612738479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 612738479 is about 24753.5548760173. The cubic root of 612738479 is about 849.3598312487.

The spelling of 612738479 in words is "six hundred twelve million, seven hundred thirty-eight thousand, four hundred seventy-nine".