7390654457 has 2 divisors, whose sum is σ = 7390654458. Its totient is φ = 7390654456.

The previous prime is 7390654387. The next prime is 7390654487. The reversal of 7390654457 is 7544560937.

7390654457 is digitally balanced in base 3, 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., 7054152121 + 336502336 = 83989^2 + 18344^2 .

It is an emirp because it is prime and its reverse (7544560937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7390654457 - 2²⁸ = 7122219001 is a prime.

It is not a weakly prime, because it can be changed into another prime (7390654487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3695327228 + 3695327229.

It is an arithmetic number, because the mean of its divisors is an integer number (3695327229).

Almost surely, 2^7390654457 is an apocalyptic number.

It is an amenable number.

7390654457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7390654457 is an equidigital number, since it uses as much as digits as its factorization.

7390654457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The square root of 7390654457 is about 85968.9156439698. The cubic root of 7390654457 is about 1947.8744718004.

The spelling of 7390654457 in words is "seven billion, three hundred ninety million, six hundred fifty-four thousand, four hundred fifty-seven".