3420133991 has 2 divisors, whose sum is σ = 3420133992. Its totient is φ = 3420133990.

The previous prime is 3420133987. The next prime is 3420134033. The reversal of 3420133991 is 1993310243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420133991 - 2² = 3420133987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420133921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710066995 + 1710066996.

It is an arithmetic number, because the mean of its divisors is an integer number (1710066996).

Almost surely, 2^3420133991 is an apocalyptic number.

3420133991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420133991 is an equidigital number, since it uses as much as digits as its factorization.

3420133991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3420133991 is about 58481.9116565114. The cubic root of 3420133991 is about 1506.6569303338.

The spelling of 3420133991 in words is "three billion, four hundred twenty million, one hundred thirty-three thousand, nine hundred ninety-one".