3699881831 has 2 divisors, whose sum is σ = 3699881832. Its totient is φ = 3699881830.

The previous prime is 3699881791. The next prime is 3699881909. The reversal of 3699881831 is 1381889963.

It is a weak prime.

It is an emirp because it is prime and its reverse (1381889963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3699881831 - 2¹⁴ = 3699865447 is a prime.

It is a super-3 number, since 3×3699881831³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3699884831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849940915 + 1849940916.

It is an arithmetic number, because the mean of its divisors is an integer number (1849940916).

Almost surely, 2^3699881831 is an apocalyptic number.

3699881831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3699881831 is an equidigital number, since it uses as much as digits as its factorization.

3699881831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 56.

The square root of 3699881831 is about 60826.6539520299. The cubic root of 3699881831 is about 1546.6639078604.

The spelling of 3699881831 in words is "three billion, six hundred ninety-nine million, eight hundred eighty-one thousand, eight hundred thirty-one".