21839110276 has 12 divisors (see below), whose sum is σ = 38221196608. Its totient is φ = 10918768392.

The previous prime is 21839110253. The next prime is 21839110277. The reversal of 21839110276 is 67201193812.

It is not an unprimeable number, because it can be changed into a prime (21839110277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131856 + ... + 247111.

Almost surely, 2^21839110276 is an apocalyptic number.

It is an amenable number.

21839110276 is a deficient number, since it is larger than the sum of its proper divisors (16382086332).

21839110276 is a wasteful number, since it uses less digits than its factorization.

21839110276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393378 (or 393376 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 21839110276 in words is "twenty-one billion, eight hundred thirty-nine million, one hundred ten thousand, two hundred seventy-six".