7402653623 has 2 divisors, whose sum is σ = 7402653624. Its totient is φ = 7402653622.

The previous prime is 7402653619. The next prime is 7402653673. The reversal of 7402653623 is 3263562047.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7402653623 - 2² = 7402653619 is a prime.

It is a super-2 number, since 2×7402653623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7402653613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701326811 + 3701326812.

It is an arithmetic number, because the mean of its divisors is an integer number (3701326812).

Almost surely, 2^7402653623 is an apocalyptic number.

7402653623 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402653623 is an equidigital number, since it uses as much as digits as its factorization.

7402653623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 7402653623 is about 86038.6751583263. The cubic root of 7402653623 is about 1948.9280650731.

The spelling of 7402653623 in words is "seven billion, four hundred two million, six hundred fifty-three thousand, six hundred twenty-three".