2679172051 has 4 divisors (see below), whose sum is σ = 2715873112. Its totient is φ = 2642470992.

The previous prime is 2679172049. The next prime is 2679172127. The reversal of 2679172051 is 1502719762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502719762 = 2 ⋅751359881.

It is a cyclic number.

It is not a de Polignac number, because 2679172051 - 2¹ = 2679172049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2679171995 and 2679172013.

It is not an unprimeable number, because it can be changed into a prime (2679172451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18350421 + ... + 18350566.

It is an arithmetic number, because the mean of its divisors is an integer number (678968278).

Almost surely, 2^2679172051 is an apocalyptic number.

2679172051 is a deficient number, since it is larger than the sum of its proper divisors (36701061).

2679172051 is an equidigital number, since it uses as much as digits as its factorization.

2679172051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36701060.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 2679172051 is about 51760.7191893621. The cubic root of 2679172051 is about 1388.8868563358.

The spelling of 2679172051 in words is "two billion, six hundred seventy-nine million, one hundred seventy-two thousand, fifty-one".