1613682871 has 4 divisors (see below), whose sum is σ = 1613838472. Its totient is φ = 1613527272.

The previous prime is 1613682839. The next prime is 1613682877. The reversal of 1613682871 is 1782863161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1613682871 - 2⁵ = 1613682839 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 (1613682877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61041 + ... + 83386.

It is an arithmetic number, because the mean of its divisors is an integer number (403459618).

Almost surely, 2^1613682871 is an apocalyptic number.

1613682871 is a deficient number, since it is larger than the sum of its proper divisors (155601).

1613682871 is a wasteful number, since it uses less digits than its factorization.

1613682871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155600.

The product of its digits is 96768, while the sum is 43.

The square root of 1613682871 is about 40170.6717768075. The cubic root of 1613682871 is about 1172.9317158546.

The spelling of 1613682871 in words is "one billion, six hundred thirteen million, six hundred eighty-two thousand, eight hundred seventy-one".