7402081913 has 2 divisors, whose sum is σ = 7402081914. Its totient is φ = 7402081912.

The previous prime is 7402081891. The next prime is 7402081933. The reversal of 7402081913 is 3191802047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6434125369 + 967956544 = 80213^2 + 31112^2 .

It is a cyclic number.

It is not a de Polignac number, because 7402081913 - 2⁶ = 7402081849 is a prime.

It is a super-3 number, since 3×7402081913³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7402081933) 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, 3701040956 + 3701040957.

It is an arithmetic number, because the mean of its divisors is an integer number (3701040957).

Almost surely, 2^7402081913 is an apocalyptic number.

It is an amenable number.

7402081913 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402081913 is an equidigital number, since it uses as much as digits as its factorization.

7402081913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7402081913 is about 86035.3526929483. The cubic root of 7402081913 is about 1948.8778916080.

The spelling of 7402081913 in words is "seven billion, four hundred two million, eighty-one thousand, nine hundred thirteen".