234693198972 has 18 divisors (see below), whose sum is σ = 593252253048. Its totient is φ = 78231066312.

The previous prime is 234693198917. The next prime is 234693198977. The reversal of 234693198972 is 279891396432.

234693198972 is a `hidden beast` number, since 23 + 469 + 3 + 1 + 9 + 89 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234693198977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3259627728 + ... + 3259627799.

Almost surely, 2^234693198972 is an apocalyptic number.

It is an amenable number.

234693198972 is an abundant number, since it is smaller than the sum of its proper divisors (358559054076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234693198972 is a wasteful number, since it uses less digits than its factorization.

234693198972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519255537 (or 6519255532 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 234693198972 in words is "two hundred thirty-four billion, six hundred ninety-three million, one hundred ninety-eight thousand, nine hundred seventy-two".