18825013762697 has 4 divisors (see below), whose sum is σ = 18826835960016. Its totient is φ = 18823191565380.

The previous prime is 18825013762651. The next prime is 18825013762729. The reversal of 18825013762697 is 79626731052881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18825013762697 - 2¹⁴ = 18825013746313 is a prime.

It is a super-2 number, since 2×18825013762697² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18825013762637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911083163 + ... + 911103824.

It is an arithmetic number, because the mean of its divisors is an integer number (4706708990004).

Almost surely, 2^{18825013762697} is an apocalyptic number.

It is an amenable number.

18825013762697 is a deficient number, since it is larger than the sum of its proper divisors (1822197319).

18825013762697 is a wasteful number, since it uses less digits than its factorization.

18825013762697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822197318.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 18825013762697 in words is "eighteen trillion, eight hundred twenty-five billion, thirteen million, seven hundred sixty-two thousand, six hundred ninety-seven".