21876276283 has 2 divisors, whose sum is σ = 21876276284. Its totient is φ = 21876276282.

The previous prime is 21876276269. The next prime is 21876276293. The reversal of 21876276283 is 38267267812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21876276283 - 2¹³ = 21876268091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21876276283.

It is not a weakly prime, because it can be changed into another prime (21876276263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10938138141 + 10938138142.

It is an arithmetic number, because the mean of its divisors is an integer number (10938138142).

Almost surely, 2^21876276283 is an apocalyptic number.

21876276283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21876276283 is an equidigital number, since it uses as much as digits as its factorization.

21876276283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 52.

The spelling of 21876276283 in words is "twenty-one billion, eight hundred seventy-six million, two hundred seventy-six thousand, two hundred eighty-three".