2151841097 has 8 divisors (see below), whose sum is σ = 2500929600. Its totient is φ = 1813173264.

The previous prime is 2151841039. The next prime is 2151841129. The reversal of 2151841097 is 7901481512.

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

It is not a de Polignac number, because 2151841097 - 2¹⁰ = 2151840073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151841097.

It is not an unprimeable number, because it can be changed into a prime (2151841397) 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, 2604722 + ... + 2605547.

It is an arithmetic number, because the mean of its divisors is an integer number (312616200).

Almost surely, 2^2151841097 is an apocalyptic number.

It is an amenable number.

2151841097 is a deficient number, since it is larger than the sum of its proper divisors (349088503).

2151841097 is an equidigital number, since it uses as much as digits as its factorization.

2151841097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210335.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 2151841097 is about 46387.9412886582. The cubic root of 2151841097 is about 1291.0311841785.

The spelling of 2151841097 in words is "two billion, one hundred fifty-one million, eight hundred forty-one thousand, ninety-seven".