2121374607 has 8 divisors (see below), whose sum is σ = 3085635840. Its totient is φ = 1285681560.

The previous prime is 2121374579. The next prime is 2121374627. The reversal of 2121374607 is 7064731212.

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

It is not a de Polignac number, because 2121374607 - 2²⁰ = 2120326031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 64284079 = 2121374607 / (2 + 1 + 2 + 1 + 3 + 7 + 4 + 6 + 0 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121374627) 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, 32142007 + ... + 32142072.

It is an arithmetic number, because the mean of its divisors is an integer number (385704480).

Almost surely, 2^2121374607 is an apocalyptic number.

2121374607 is a deficient number, since it is larger than the sum of its proper divisors (964261233).

2121374607 is a wasteful number, since it uses less digits than its factorization.

2121374607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64284093.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2121374607 is about 46058.3825920972. The cubic root of 2121374607 is about 1284.9092492447.

The spelling of 2121374607 in words is "two billion, one hundred twenty-one million, three hundred seventy-four thousand, six hundred seven".