7298455681 has 16 divisors (see below), whose sum is σ = 8056699200. Its totient is φ = 6556334400.

The previous prime is 7298455673. The next prime is 7298455699. The reversal of 7298455681 is 1865548927.

It is a happy number.

It is not a de Polignac number, because 7298455681 - 2³ = 7298455673 is a prime.

It is a super-2 number, since 2×7298455681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7298455601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446391 + ... + 462451.

It is an arithmetic number, because the mean of its divisors is an integer number (503543700).

Almost surely, 2^7298455681 is an apocalyptic number.

It is an amenable number.

7298455681 is a deficient number, since it is larger than the sum of its proper divisors (758243519).

7298455681 is a wasteful number, since it uses less digits than its factorization.

7298455681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16560.

The product of its digits is 4838400, while the sum is 55.

The square root of 7298455681 is about 85430.9995317859. Note that the first 3 decimals coincide. The cubic root of 7298455681 is about 1939.7406108896.

The spelling of 7298455681 in words is "seven billion, two hundred ninety-eight million, four hundred fifty-five thousand, six hundred eighty-one".