1881630713 has 12 divisors (see below), whose sum is σ = 1976621760. Its totient is φ = 1787818032.

The previous prime is 1881630689. The next prime is 1881630727. The reversal of 1881630713 is 3170361881.

It is not a de Polignac number, because 1881630713 - 2¹⁶ = 1881565177 is a prime.

It is a super-3 number, since 3×1881630713³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1881633713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565268 + ... + 568586.

It is an arithmetic number, because the mean of its divisors is an integer number (164718480).

Almost surely, 2^1881630713 is an apocalyptic number.

It is an amenable number.

1881630713 is a deficient number, since it is larger than the sum of its proper divisors (94991047).

1881630713 is an equidigital number, since it uses as much as digits as its factorization.

1881630713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3499 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1881630713 is about 43377.7674967258. The cubic root of 1881630713 is about 1234.5579043419.

The spelling of 1881630713 in words is "one billion, eight hundred eighty-one million, six hundred thirty thousand, seven hundred thirteen".