3695124981 has 16 divisors (see below), whose sum is σ = 5218430400. Its totient is φ = 2317717248.

The previous prime is 3695124971. The next prime is 3695125039. The reversal of 3695124981 is 1894215963.

It is not a de Polignac number, because 3695124981 - 2¹¹ = 3695122933 is a prime.

It is a super-2 number, since 2×3695124981² = 27307897250420500722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3695124981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3695124931) 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 in 15 ways as a sum of consecutive naturals, for example, 162150 + ... + 183528.

It is an arithmetic number, because the mean of its divisors is an integer number (326151900).

Almost surely, 2^3695124981 is an apocalyptic number.

It is an amenable number.

3695124981 is a deficient number, since it is larger than the sum of its proper divisors (1523305419).

3695124981 is a wasteful number, since it uses less digits than its factorization.

3695124981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24788.

The product of its digits is 466560, while the sum is 48.

The square root of 3695124981 is about 60787.5396853664. The cubic root of 3695124981 is about 1546.0007872696. Note that the first 3 decimals are identical.

The spelling of 3695124981 in words is "three billion, six hundred ninety-five million, one hundred twenty-four thousand, nine hundred eighty-one".