21839268097682 has 32 divisors (see below), whose sum is σ = 37461050698752. Its totient is φ = 9354110894784.

The previous prime is 21839268097681. The next prime is 21839268097687. The reversal of 21839268097682 is 28679086293812.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (21839268097681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355119728 + ... + 355181220.

It is an arithmetic number, because the mean of its divisors is an integer number (1170657834336).

Almost surely, 2^{21839268097682} is an apocalyptic number.

21839268097682 is a deficient number, since it is larger than the sum of its proper divisors (15621782601070).

21839268097682 is a wasteful number, since it uses less digits than its factorization.

21839268097682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76202.

The product of its (nonzero) digits is 250822656, while the sum is 71.

The spelling of 21839268097682 in words is "twenty-one trillion, eight hundred thirty-nine billion, two hundred sixty-eight million, ninety-seven thousand, six hundred eighty-two".