2121860414 has 16 divisors (see below), whose sum is σ = 3204608400. Its totient is φ = 1053681024.

The previous prime is 2121860407. The next prime is 2121860431. The reversal of 2121860414 is 4140681212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186374 + ... + 197430.

It is an arithmetic number, because the mean of its divisors is an integer number (200288025).

Almost surely, 2^2121860414 is an apocalyptic number.

2121860414 is a deficient number, since it is larger than the sum of its proper divisors (1082747986).

2121860414 is a wasteful number, since it uses less digits than its factorization.

2121860414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2121860414 is about 46063.6561076083. The cubic root of 2121860414 is about 1285.0073256306.

The spelling of 2121860414 in words is "two billion, one hundred twenty-one million, eight hundred sixty thousand, four hundred fourteen".