2499682851 has 6 divisors (see below), whose sum is σ = 3610653020. Its totient is φ = 1666455228.

The previous prime is 2499682819. The next prime is 2499682901. The reversal of 2499682851 is 1582869942.

It is a happy number.

It is not a de Polignac number, because 2499682851 - 2⁵ = 2499682819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499682651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138871261 + ... + 138871278.

Almost surely, 2^2499682851 is an apocalyptic number.

2499682851 is a deficient number, since it is larger than the sum of its proper divisors (1110970169).

2499682851 is a wasteful number, since it uses less digits than its factorization.

2499682851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277742545 (or 277742542 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 2499682851 is about 49996.8284094101. The cubic root of 2499682851 is about 1357.1514142149.

The spelling of 2499682851 in words is "two billion, four hundred ninety-nine million, six hundred eighty-two thousand, eight hundred fifty-one".