18950419925063 has 16 divisors (see below), whose sum is σ = 20885810496000. Its totient is φ = 17193129517080.

The previous prime is 18950419924999. The next prime is 18950419925069. The reversal of 18950419925063 is 36052991405981.

It is not a de Polignac number, because 18950419925063 - 2⁶ = 18950419924999 is a prime.

It is a super-3 number, since 3×18950419925063³ (a number of 41 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18950419924987 and 18950419925005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950419925069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13602095 + ... + 14930432.

It is an arithmetic number, because the mean of its divisors is an integer number (1305363156000).

Almost surely, 2^{18950419925063} is an apocalyptic number.

18950419925063 is a deficient number, since it is larger than the sum of its proper divisors (1935390570937).

18950419925063 is an equidigital number, since it uses as much as digits as its factorization.

18950419925063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28533059 (or 28533037 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 18950419925063 in words is "eighteen trillion, nine hundred fifty billion, four hundred nineteen million, nine hundred twenty-five thousand, sixty-three".