2621198117 has 8 divisors (see below), whose sum is σ = 2681750400. Its totient is φ = 2561330304.

The previous prime is 2621198033. The next prime is 2621198123. The reversal of 2621198117 is 7118911262.

2621198117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2621198117 - 2²² = 2617003813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621198137) 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, 163367 + ... + 178692.

It is an arithmetic number, because the mean of its divisors is an integer number (335218800).

Almost surely, 2^2621198117 is an apocalyptic number.

It is an amenable number.

2621198117 is a deficient number, since it is larger than the sum of its proper divisors (60552283).

2621198117 is an equidigital number, since it uses as much as digits as its factorization.

2621198117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342235.

The product of its digits is 12096, while the sum is 38.

The square root of 2621198117 is about 51197.6378068364. The cubic root of 2621198117 is about 1378.7957913702.

The spelling of 2621198117 in words is "two billion, six hundred twenty-one million, one hundred ninety-eight thousand, one hundred seventeen".