18413091077 has 8 divisors (see below), whose sum is σ = 18434887800. Its totient is φ = 18391310784.

The previous prime is 18413091023. The next prime is 18413091091. The reversal of 18413091077 is 77019031481.

It can be written as a sum of positive squares in 4 ways, for example, as 15548593636 + 2864497441 = 124694^2 + 53521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18413091077 - 2¹⁰ = 18413090053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18413090077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5431499 + ... + 5434887.

It is an arithmetic number, because the mean of its divisors is an integer number (2304360975).

Almost surely, 2^18413091077 is an apocalyptic number.

It is an amenable number.

18413091077 is a deficient number, since it is larger than the sum of its proper divisors (21796723).

18413091077 is a wasteful number, since it uses less digits than its factorization.

18413091077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 18413091077 in words is "eighteen billion, four hundred thirteen million, ninety-one thousand, seventy-seven".