3427967215979 has 2 divisors, whose sum is σ = 3427967215980. Its totient is φ = 3427967215978.

The previous prime is 3427967215969. The next prime is 3427967216029. The reversal of 3427967215979 is 9795127697243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3427967215979 - 2⁴ = 3427967215963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3427967215969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713983607989 + 1713983607990.

It is an arithmetic number, because the mean of its divisors is an integer number (1713983607990).

Almost surely, 2^{3427967215979} is an apocalyptic number.

3427967215979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427967215979 is an equidigital number, since it uses as much as digits as its factorization.

3427967215979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360067680, while the sum is 71.

The spelling of 3427967215979 in words is "three trillion, four hundred twenty-seven billion, nine hundred sixty-seven million, two hundred fifteen thousand, nine hundred seventy-nine".