3698111981450 has 12 divisors (see below), whose sum is σ = 6878488285590. Its totient is φ = 1479244792560.

The previous prime is 3698111981437. The next prime is 3698111981483. The reversal of 3698111981450 is 541891118963.

It can be written as a sum of positive squares in 3 ways, for example, as 3115059092209 + 583052889241 = 1764953^2 + 763579^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36981119765 + ... + 36981119864.

Almost surely, 2^{3698111981450} is an apocalyptic number.

3698111981450 is a deficient number, since it is larger than the sum of its proper divisors (3180376304140).

3698111981450 is a wasteful number, since it uses less digits than its factorization.

3698111981450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73962239641 (or 73962239636 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 3698111981450 in words is "three trillion, six hundred ninety-eight billion, one hundred eleven million, nine hundred eighty-one thousand, four hundred fifty".