7389801457 has 2 divisors, whose sum is σ = 7389801458. Its totient is φ = 7389801456.

The previous prime is 7389801439. The next prime is 7389801469. The reversal of 7389801457 is 7541089837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4319644176 + 3070157281 = 65724^2 + 55409^2 .

It is a cyclic number.

It is not a de Polignac number, because 7389801457 - 2⁷ = 7389801329 is a prime.

It is not a weakly prime, because it can be changed into another prime (7389801407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3694900728 + 3694900729.

It is an arithmetic number, because the mean of its divisors is an integer number (3694900729).

Almost surely, 2^7389801457 is an apocalyptic number.

It is an amenable number.

7389801457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7389801457 is an equidigital number, since it uses as much as digits as its factorization.

7389801457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 7389801457 is about 85963.9544053204. The cubic root of 7389801457 is about 1947.7995302707.

The spelling of 7389801457 in words is "seven billion, three hundred eighty-nine million, eight hundred one thousand, four hundred fifty-seven".