2681689522 has 8 divisors (see below), whose sum is σ = 4038561072. Its totient is φ = 1335502500.

The previous prime is 2681689477. The next prime is 2681689541. The reversal of 2681689522 is 2259861862.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670504 + ... + 2671507.

It is an arithmetic number, because the mean of its divisors is an integer number (504820134).

Almost surely, 2^2681689522 is an apocalyptic number.

2681689522 is a deficient number, since it is larger than the sum of its proper divisors (1356871550).

2681689522 is a wasteful number, since it uses less digits than its factorization.

2681689522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342264.

The product of its digits is 829440, while the sum is 49.

The square root of 2681689522 is about 51785.0318335327. The cubic root of 2681689522 is about 1389.3217404140.

The spelling of 2681689522 in words is "two billion, six hundred eighty-one million, six hundred eighty-nine thousand, five hundred twenty-two".