7402653539 has 2 divisors, whose sum is σ = 7402653540. Its totient is φ = 7402653538.

The previous prime is 7402653493. The next prime is 7402653541. The reversal of 7402653539 is 9353562047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7402653539 - 2⁸ = 7402653283 is a prime.

Together with 7402653541, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7402653539.

It is not a weakly prime, because it can be changed into another prime (7402623539) 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, 3701326769 + 3701326770.

It is an arithmetic number, because the mean of its divisors is an integer number (3701326770).

Almost surely, 2^7402653539 is an apocalyptic number.

7402653539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402653539 is an equidigital number, since it uses as much as digits as its factorization.

7402653539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 44.

The square root of 7402653539 is about 86038.6746701738. The cubic root of 7402653539 is about 1948.9280577014.

The spelling of 7402653539 in words is "seven billion, four hundred two million, six hundred fifty-three thousand, five hundred thirty-nine".