2121514739 has 8 divisors (see below), whose sum is σ = 2142866880. Its totient is φ = 2100241000.

The previous prime is 2121514723. The next prime is 2121514763. The reversal of 2121514739 is 9374151212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121514739 - 2⁴ = 2121514723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121514699 and 2121514708.

It is not an unprimeable number, because it can be changed into a prime (2121514789) 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 7 ways as a sum of consecutive naturals, for example, 35564 + ... + 74214.

It is an arithmetic number, because the mean of its divisors is an integer number (267858360).

Almost surely, 2^2121514739 is an apocalyptic number.

2121514739 is a deficient number, since it is larger than the sum of its proper divisors (21352141).

2121514739 is a wasteful number, since it uses less digits than its factorization.

2121514739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39201.

The product of its digits is 15120, while the sum is 35.

The square root of 2121514739 is about 46059.9038101471. The cubic root of 2121514739 is about 1284.9375411107.

The spelling of 2121514739 in words is "two billion, one hundred twenty-one million, five hundred fourteen thousand, seven hundred thirty-nine".