2681657498 has 32 divisors (see below), whose sum is σ = 4421934720. Its totient is φ = 1212125760.

The previous prime is 2681657479. The next prime is 2681657507. The reversal of 2681657498 is 8947561862.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421763 + ... + 428073.

It is an arithmetic number, because the mean of its divisors is an integer number (138185460).

Almost surely, 2^2681657498 is an apocalyptic number.

2681657498 is a deficient number, since it is larger than the sum of its proper divisors (1740277222).

2681657498 is a wasteful number, since it uses less digits than its factorization.

2681657498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662.

The product of its digits is 5806080, while the sum is 56.

The square root of 2681657498 is about 51784.7226312935. The cubic root of 2681657498 is about 1389.3162100924.

The spelling of 2681657498 in words is "two billion, six hundred eighty-one million, six hundred fifty-seven thousand, four hundred ninety-eight".