2511172939 has 4 divisors (see below), whose sum is σ = 2739461400. Its totient is φ = 2282884480.

The previous prime is 2511172933. The next prime is 2511172967. The reversal of 2511172939 is 9392711152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2511172939 - 2⁵ = 2511172907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2511172933) 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, 114144214 + ... + 114144235.

It is an arithmetic number, because the mean of its divisors is an integer number (684865350).

Almost surely, 2^2511172939 is an apocalyptic number.

2511172939 is a deficient number, since it is larger than the sum of its proper divisors (228288461).

2511172939 is a wasteful number, since it uses less digits than its factorization.

2511172939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228288460.

The product of its digits is 34020, while the sum is 40.

The square root of 2511172939 is about 50111.6048336111. The cubic root of 2511172939 is about 1359.2276718892.

The spelling of 2511172939 in words is "two billion, five hundred eleven million, one hundred seventy-two thousand, nine hundred thirty-nine".