7099525681 has 2 divisors, whose sum is σ = 7099525682. Its totient is φ = 7099525680.

The previous prime is 7099525663. The next prime is 7099525691. The reversal of 7099525681 is 1865259907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5895782656 + 1203743025 = 76784^2 + 34695^2 .

It is a cyclic number.

It is not a de Polignac number, because 7099525681 - 2¹³ = 7099517489 is a prime.

It is a super-2 number, since 2×7099525681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7099525661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3549762840 + 3549762841.

It is an arithmetic number, because the mean of its divisors is an integer number (3549762841).

Almost surely, 2^7099525681 is an apocalyptic number.

It is an amenable number.

7099525681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7099525681 is an equidigital number, since it uses as much as digits as its factorization.

7099525681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 7099525681 is about 84258.6831193082. The cubic root of 7099525681 is about 1921.9545418282.

The spelling of 7099525681 in words is "seven billion, ninety-nine million, five hundred twenty-five thousand, six hundred eighty-one".