232609416981 has 16 divisors (see below), whose sum is σ = 315037353408. Its totient is φ = 152631072000.

The previous prime is 232609416979. The next prime is 232609416983. The reversal of 232609416981 is 189614906232.

It is an interprime number because it is at equal distance from previous prime (232609416979) and next prime (232609416983).

It is not a de Polignac number, because 232609416981 - 2¹ = 232609416979 is a prime.

It is a super-2 number, since 2×232609416981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232609416983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240390 + ... + 723191.

It is an arithmetic number, because the mean of its divisors is an integer number (19689834588).

Almost surely, 2^232609416981 is an apocalyptic number.

It is an amenable number.

232609416981 is a deficient number, since it is larger than the sum of its proper divisors (82427936427).

232609416981 is a wasteful number, since it uses less digits than its factorization.

232609416981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964852.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 232609416981 in words is "two hundred thirty-two billion, six hundred nine million, four hundred sixteen thousand, nine hundred eighty-one".