213220986619 has 2 divisors, whose sum is σ = 213220986620. Its totient is φ = 213220986618.

The previous prime is 213220986613. The next prime is 213220986631. The reversal of 213220986619 is 916689022312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213220986619 - 2³ = 213220986611 is a prime.

It is a super-2 number, since 2×213220986619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213220986611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610493309 + 106610493310.

It is an arithmetic number, because the mean of its divisors is an integer number (106610493310).

Almost surely, 2^213220986619 is an apocalyptic number.

213220986619 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220986619 is an equidigital number, since it uses as much as digits as its factorization.

213220986619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 213220986619 in words is "two hundred thirteen billion, two hundred twenty million, nine hundred eighty-six thousand, six hundred nineteen".