2197103640 has 32 divisors (see below), whose sum is σ = 6591311280. Its totient is φ = 585894272.

The previous prime is 2197103621. The next prime is 2197103669. The reversal of 2197103640 is 463017912.

It is a congruent number.

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, 9154479 + ... + 9154718.

Almost surely, 2^2197103640 is an apocalyptic number.

2197103640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197103640 is an abundant number, since it is smaller than the sum of its proper divisors (4394207640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197103640 is a wasteful number, since it uses less digits than its factorization.

2197103640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309211 (or 18309207 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2197103640 is about 46873.2721281542. The cubic root of 2197103640 is about 1300.0204414932.

The spelling of 2197103640 in words is "two billion, one hundred ninety-seven million, one hundred three thousand, six hundred forty".