21422631083 has 8 divisors (see below), whose sum is σ = 24553565952. Its totient is φ = 18309335976.

The previous prime is 21422631071. The next prime is 21422631103. The reversal of 21422631083 is 38013622412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21422631083 - 2¹² = 21422626987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21422631283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4407335 + ... + 4412192.

It is an arithmetic number, because the mean of its divisors is an integer number (3069195744).

Almost surely, 2^21422631083 is an apocalyptic number.

21422631083 is a deficient number, since it is larger than the sum of its proper divisors (3130934869).

21422631083 is an equidigital number, since it uses as much as digits as its factorization.

21422631083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819881.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 21422631083 in words is "twenty-one billion, four hundred twenty-two million, six hundred thirty-one thousand, eighty-three".