2411693881 has 3 divisors (see below), whose sum is σ = 2411742991. Its totient is φ = 2411644772.

The previous prime is 2411693873. The next prime is 2411693903. The reversal of 2411693881 is 1883961142.

The square root of 2411693881 is 49109.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 374074281 + 2037619600 = 19341^2 + 45140^2 .

It is not a de Polignac number, because 2411693881 - 2³ = 2411693873 is a prime.

It is a super-2 number, since 2×2411693881² = 11632534751305684322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2411693861) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24555 + ... + 73663.

Almost surely, 2^2411693881 is an apocalyptic number.

2411693881 is the 49109-th square number.

2411693881 is the 24555-th centered octagonal number.

It is an amenable number.

2411693881 is a deficient number, since it is larger than the sum of its proper divisors (49110).

2411693881 is an frugal number, since it uses more digits than its factorization.

2411693881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98218 (or 49109 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The cubic root of 2411693881 is about 1341.0368971855.

Multiplying 2411693881 by its product of digits (82944), we get a square (200035537265664 = 14143392²).

The spelling of 2411693881 in words is "two billion, four hundred eleven million, six hundred ninety-three thousand, eight hundred eighty-one".