3696121898 has 16 divisors (see below), whose sum is σ = 6349964544. Its totient is φ = 1580613360.

The previous prime is 3696121883. The next prime is 3696121907. The reversal of 3696121898 is 8981216963.

It is a super-2 number, since 2×3696121898² = 27322634169750244808, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279890 + ... + 292797.

It is an arithmetic number, because the mean of its divisors is an integer number (396872784).

Almost surely, 2^3696121898 is an apocalyptic number.

3696121898 is a deficient number, since it is larger than the sum of its proper divisors (2653842646).

3696121898 is a wasteful number, since it uses less digits than its factorization.

3696121898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573157.

The product of its digits is 1119744, while the sum is 53.

The square root of 3696121898 is about 60795.7391434630. The cubic root of 3696121898 is about 1546.1398079064.

The spelling of 3696121898 in words is "three billion, six hundred ninety-six million, one hundred twenty-one thousand, eight hundred ninety-eight".