21030022619 has 2 divisors, whose sum is σ = 21030022620. Its totient is φ = 21030022618.

The previous prime is 21030022577. The next prime is 21030022633. The reversal of 21030022619 is 91622003012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21030022619 is a prime.

It is a super-2 number, since 2×21030022619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21030022639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10515011309 + 10515011310.

It is an arithmetic number, because the mean of its divisors is an integer number (10515011310).

Almost surely, 2^21030022619 is an apocalyptic number.

21030022619 is a deficient number, since it is larger than the sum of its proper divisors (1).

21030022619 is an equidigital number, since it uses as much as digits as its factorization.

21030022619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21030022619 in words is "twenty-one billion, thirty million, twenty-two thousand, six hundred nineteen".