2197125959 has 8 divisors (see below), whose sum is σ = 2542786560. Its totient is φ = 1859411736.

The previous prime is 2197125947. The next prime is 2197125977. The reversal of 2197125959 is 9595217912.

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

It is not a de Polignac number, because 2197125959 - 2⁴ = 2197125943 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 (2197125919) 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, 1985999 + ... + 1987104.

It is an arithmetic number, because the mean of its divisors is an integer number (317848320).

Almost surely, 2^2197125959 is an apocalyptic number.

2197125959 is a deficient number, since it is larger than the sum of its proper divisors (345660601).

2197125959 is an equidigital number, since it uses as much as digits as its factorization.

2197125959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973189.

The product of its digits is 510300, while the sum is 50.

The square root of 2197125959 is about 46873.5102056588. The cubic root of 2197125959 is about 1300.0248435094.

The spelling of 2197125959 in words is "two billion, one hundred ninety-seven million, one hundred twenty-five thousand, nine hundred fifty-nine".