2151713685 has 16 divisors (see below), whose sum is σ = 3755718720. Its totient is φ = 1043255040.

The previous prime is 2151713677. The next prime is 2151713693. The reversal of 2151713685 is 5863171512.

It is an interprime number because it is at equal distance from previous prime (2151713677) and next prime (2151713693).

It is not a de Polignac number, because 2151713685 - 2³ = 2151713677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6520180 + ... + 6520509.

It is an arithmetic number, because the mean of its divisors is an integer number (234732420).

Almost surely, 2^2151713685 is an apocalyptic number.

It is an amenable number.

2151713685 is a deficient number, since it is larger than the sum of its proper divisors (1604005035).

2151713685 is a wasteful number, since it uses less digits than its factorization.

2151713685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040708.

The product of its digits is 50400, while the sum is 39.

The square root of 2151713685 is about 46386.5679372812. The cubic root of 2151713685 is about 1291.0057027258.

The spelling of 2151713685 in words is "two billion, one hundred fifty-one million, seven hundred thirteen thousand, six hundred eighty-five".