7402653493 has 2 divisors, whose sum is σ = 7402653494. Its totient is φ = 7402653492.

The previous prime is 7402653469. The next prime is 7402653539. The reversal of 7402653493 is 3943562047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5148493009 + 2254160484 = 71753^2 + 47478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7402653493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7402653413) 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, 3701326746 + 3701326747.

It is an arithmetic number, because the mean of its divisors is an integer number (3701326747).

Almost surely, 2^7402653493 is an apocalyptic number.

It is an amenable number.

7402653493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402653493 is an equidigital number, since it uses as much as digits as its factorization.

7402653493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 7402653493 is about 86038.6744028521. The cubic root of 7402653493 is about 1948.9280536646.

The spelling of 7402653493 in words is "seven billion, four hundred two million, six hundred fifty-three thousand, four hundred ninety-three".