234632613989 has 2 divisors, whose sum is σ = 234632613990. Its totient is φ = 234632613988.

The previous prime is 234632613961. The next prime is 234632614049. The reversal of 234632613989 is 989316236432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195094473025 + 39538140964 = 441695^2 + 198842^2 .

It is a cyclic number.

It is not a de Polignac number, because 234632613989 - 2²⁴ = 234615836773 is a prime.

It is a super-2 number, since 2×234632613989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234632613949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117316306994 + 117316306995.

It is an arithmetic number, because the mean of its divisors is an integer number (117316306995).

Almost surely, 2^234632613989 is an apocalyptic number.

It is an amenable number.

234632613989 is a deficient number, since it is larger than the sum of its proper divisors (1).

234632613989 is an equidigital number, since it uses as much as digits as its factorization.

234632613989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 56.

The spelling of 234632613989 in words is "two hundred thirty-four billion, six hundred thirty-two million, six hundred thirteen thousand, nine hundred eighty-nine".