2142704751 has 8 divisors (see below), whose sum is σ = 3116661504. Its totient is φ = 1298608920.

The previous prime is 2142704747. The next prime is 2142704791. The reversal of 2142704751 is 1574072412.

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

It is not a de Polignac number, because 2142704751 - 2² = 2142704747 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: 64930447 = 2142704751 / (2 + 1 + 4 + 2 + 7 + 0 + 4 + 7 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142704791) 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, 32465191 + ... + 32465256.

It is an arithmetic number, because the mean of its divisors is an integer number (389582688).

Almost surely, 2^2142704751 is an apocalyptic number.

2142704751 is a deficient number, since it is larger than the sum of its proper divisors (973956753).

2142704751 is a wasteful number, since it uses less digits than its factorization.

2142704751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64930461.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 2142704751 is about 46289.3589391774. The cubic root of 2142704751 is about 1289.2014269048.

The spelling of 2142704751 in words is "two billion, one hundred forty-two million, seven hundred four thousand, seven hundred fifty-one".