2102939698 has 16 divisors (see below), whose sum is σ = 3267495000. Its totient is φ = 1013870592.

The previous prime is 2102939693. The next prime is 2102939701. The reversal of 2102939698 is 8969392012.

It can be written as a sum of positive squares in 4 ways, for example, as 1009777729 + 1093161969 = 31777^2 + 33063^2 .

It is not an unprimeable number, because it can be changed into a prime (2102939693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21028 + ... + 68176.

Almost surely, 2^2102939698 is an apocalyptic number.

2102939698 is a deficient number, since it is larger than the sum of its proper divisors (1164555302).

2102939698 is a wasteful number, since it uses less digits than its factorization.

2102939698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47949.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2102939698 is about 45857.8204671788. The cubic root of 2102939698 is about 1281.1764286036.

The spelling of 2102939698 in words is "two billion, one hundred two million, nine hundred thirty-nine thousand, six hundred ninety-eight".