3421009979 has 2 divisors, whose sum is σ = 3421009980. Its totient is φ = 3421009978.

The previous prime is 3421009961. The next prime is 3421010057. The reversal of 3421009979 is 9799001243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3421009979 - 2⁸ = 3421009723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3421009379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710504989 + 1710504990.

It is an arithmetic number, because the mean of its divisors is an integer number (1710504990).

Almost surely, 2^3421009979 is an apocalyptic number.

3421009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421009979 is an equidigital number, since it uses as much as digits as its factorization.

3421009979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 3421009979 is about 58489.4005696759. The cubic root of 3421009979 is about 1506.7855510965.

The spelling of 3421009979 in words is "three billion, four hundred twenty-one million, nine thousand, nine hundred seventy-nine".