18077830153 has 2 divisors, whose sum is σ = 18077830154. Its totient is φ = 18077830152.

The previous prime is 18077830139. The next prime is 18077830163. The reversal of 18077830153 is 35103877081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16421909904 + 1655920249 = 128148^2 + 40693^2 .

It is a cyclic number.

It is not a de Polignac number, because 18077830153 - 2¹³ = 18077821961 is a prime.

It is not a weakly prime, because it can be changed into another prime (18077830103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9038915076 + 9038915077.

It is an arithmetic number, because the mean of its divisors is an integer number (9038915077).

Almost surely, 2^18077830153 is an apocalyptic number.

It is an amenable number.

18077830153 is a deficient number, since it is larger than the sum of its proper divisors (1).

18077830153 is an equidigital number, since it uses as much as digits as its factorization.

18077830153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 18077830153 in words is "eighteen billion, seventy-seven million, eight hundred thirty thousand, one hundred fifty-three".