18201770495 has 16 divisors (see below), whose sum is σ = 22044258432. Its totient is φ = 14426764800.

The previous prime is 18201770479. The next prime is 18201770501. The reversal of 18201770495 is 59407710281.

It is not a de Polignac number, because 18201770495 - 2⁴ = 18201770479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900970 + ... + 1910520.

It is an arithmetic number, because the mean of its divisors is an integer number (1377766152).

Almost surely, 2^18201770495 is an apocalyptic number.

18201770495 is a deficient number, since it is larger than the sum of its proper divisors (3842487937).

18201770495 is a wasteful number, since it uses less digits than its factorization.

18201770495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 18201770495 in words is "eighteen billion, two hundred one million, seven hundred seventy thousand, four hundred ninety-five".