2102353901 has 4 divisors (see below), whose sum is σ = 2108210400. Its totient is φ = 2096497404.

The previous prime is 2102353889. The next prime is 2102353919. The reversal of 2102353901 is 1093532012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102353901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102353961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927711 + ... + 2928428.

It is an arithmetic number, because the mean of its divisors is an integer number (527052600).

Almost surely, 2^2102353901 is an apocalyptic number.

It is an amenable number.

2102353901 is a deficient number, since it is larger than the sum of its proper divisors (5856499).

2102353901 is an equidigital number, since it uses as much as digits as its factorization.

2102353901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856498.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2102353901 is about 45851.4329219927. The cubic root of 2102353901 is about 1281.0574556238.

Adding to 2102353901 its reverse (1093532012), we get a palindrome (3195885913).

The spelling of 2102353901 in words is "two billion, one hundred two million, three hundred fifty-three thousand, nine hundred one".