2157896103 has 8 divisors (see below), whose sum is σ = 3138758016. Its totient is φ = 1307815800.

The previous prime is 2157896099. The next prime is 2157896141. The reversal of 2157896103 is 3016987512.

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

It is not a de Polignac number, because 2157896103 - 2² = 2157896099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157896183) 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, 32695363 + ... + 32695428.

It is an arithmetic number, because the mean of its divisors is an integer number (392344752).

Almost surely, 2^2157896103 is an apocalyptic number.

2157896103 is a deficient number, since it is larger than the sum of its proper divisors (980861913).

2157896103 is a wasteful number, since it uses less digits than its factorization.

2157896103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65390805.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 2157896103 is about 46453.1603122974. The cubic root of 2157896103 is about 1292.2409824324.

The spelling of 2157896103 in words is "two billion, one hundred fifty-seven million, eight hundred ninety-six thousand, one hundred three".