18830995485 has 32 divisors (see below), whose sum is σ = 30881710080. Its totient is φ = 9795175488.

The previous prime is 18830995483. The next prime is 18830995499. The reversal of 18830995485 is 58459903881.

It is not a de Polignac number, because 18830995485 - 2¹ = 18830995483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18830995481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28624 + ... + 196166.

It is an arithmetic number, because the mean of its divisors is an integer number (965053440).

Almost surely, 2^18830995485 is an apocalyptic number.

18830995485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18830995485 is a deficient number, since it is larger than the sum of its proper divisors (12050714595).

18830995485 is a wasteful number, since it uses less digits than its factorization.

18830995485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167737.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 18830995485 in words is "eighteen billion, eight hundred thirty million, nine hundred ninety-five thousand, four hundred eighty-five".