2490816871 has 8 divisors (see below), whose sum is σ = 2553811344. Its totient is φ = 2427929280.

The previous prime is 2490816869. The next prime is 2490816899. The reversal of 2490816871 is 1786180942.

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

It is a cyclic number.

It is not a de Polignac number, because 2490816871 - 2¹ = 2490816869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490816821) 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, 21565 + ... + 73801.

It is an arithmetic number, because the mean of its divisors is an integer number (319226418).

Almost surely, 2^2490816871 is an apocalyptic number.

2490816871 is a deficient number, since it is larger than the sum of its proper divisors (62994473).

2490816871 is a wasteful number, since it uses less digits than its factorization.

2490816871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 2490816871 is about 49908.0842249029. The cubic root of 2490816871 is about 1355.5449796021.

The spelling of 2490816871 in words is "two billion, four hundred ninety million, eight hundred sixteen thousand, eight hundred seventy-one".