3699802298581 has 2 divisors, whose sum is σ = 3699802298582. Its totient is φ = 3699802298580.

The previous prime is 3699802298561. The next prime is 3699802298597. The reversal of 3699802298581 is 1858922089963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3316802221681 + 383000076900 = 1821209^2 + 618870^2 .

It is a cyclic number.

It is not a de Polignac number, because 3699802298581 - 2²⁵ = 3699768744149 is a prime.

It is a super-2 number, since 2×3699802298581² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3699802298581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3699802298551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849901149290 + 1849901149291.

It is an arithmetic number, because the mean of its divisors is an integer number (1849901149291).

Almost surely, 2^{3699802298581} is an apocalyptic number.

It is an amenable number.

3699802298581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3699802298581 is an equidigital number, since it uses as much as digits as its factorization.

3699802298581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134369280, while the sum is 70.

The spelling of 3699802298581 in words is "three trillion, six hundred ninety-nine billion, eight hundred two million, two hundred ninety-eight thousand, five hundred eighty-one".