18230061429 has 12 divisors (see below), whose sum is σ = 26333517132. Its totient is φ = 12152817600.

The previous prime is 18230061413. The next prime is 18230061433. The reversal of 18230061429 is 92416003281.

18230061429 is a `hidden beast` number, since 1 + 8 + 2 + 30 + 0 + 614 + 2 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2848356900 + 15381704529 = 53370^2 + 124023^2 .

It is not a de Polignac number, because 18230061429 - 2⁴ = 18230061413 is a prime.

It is a super-2 number, since 2×18230061429² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18230061393 and 18230061402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230061029) 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, 287449 + ... + 345089.

It is an arithmetic number, because the mean of its divisors is an integer number (2194459761).

Almost surely, 2^18230061429 is an apocalyptic number.

It is an amenable number.

18230061429 is a deficient number, since it is larger than the sum of its proper divisors (8103455703).

18230061429 is a wasteful number, since it uses less digits than its factorization.

18230061429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92788 (or 92785 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 18230061429 in words is "eighteen billion, two hundred thirty million, sixty-one thousand, four hundred twenty-nine".