2492150681 has 4 divisors (see below), whose sum is σ = 2511174864. Its totient is φ = 2473126500.

The previous prime is 2492150657. The next prime is 2492150707. The reversal of 2492150681 is 1860512942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2492150681 - 2¹⁸ = 2491888537 is a prime.

It is a super-2 number, since 2×2492150681² = 12421630033617527522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492150081) 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, 9511895 + ... + 9512156.

It is an arithmetic number, because the mean of its divisors is an integer number (627793716).

Almost surely, 2^2492150681 is an apocalyptic number.

It is an amenable number.

2492150681 is a deficient number, since it is larger than the sum of its proper divisors (19024183).

2492150681 is a wasteful number, since it uses less digits than its factorization.

2492150681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024182.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2492150681 is about 49921.4451012789. The cubic root of 2492150681 is about 1355.7868971348.

The spelling of 2492150681 in words is "two billion, four hundred ninety-two million, one hundred fifty thousand, six hundred eighty-one".