213552199979 has 2 divisors, whose sum is σ = 213552199980. Its totient is φ = 213552199978.

The previous prime is 213552199961. The next prime is 213552200009. The reversal of 213552199979 is 979991255312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213552199979 - 2⁸ = 213552199723 is a prime.

It is not a weakly prime, because it can be changed into another prime (213552195979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106776099989 + 106776099990.

It is an arithmetic number, because the mean of its divisors is an integer number (106776099990).

Almost surely, 2^213552199979 is an apocalyptic number.

213552199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

213552199979 is an equidigital number, since it uses as much as digits as its factorization.

213552199979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13778100, while the sum is 62.

The spelling of 213552199979 in words is "two hundred thirteen billion, five hundred fifty-two million, one hundred ninety-nine thousand, nine hundred seventy-nine".