3450351991 has 2 divisors, whose sum is σ = 3450351992. Its totient is φ = 3450351990.

The previous prime is 3450351979. The next prime is 3450352019. The reversal of 3450351991 is 1991530543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3450351991 - 2⁵ = 3450351959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3450351901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725175995 + 1725175996.

It is an arithmetic number, because the mean of its divisors is an integer number (1725175996).

Almost surely, 2^3450351991 is an apocalyptic number.

3450351991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3450351991 is an equidigital number, since it uses as much as digits as its factorization.

3450351991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 3450351991 is about 58739.6968923061. The cubic root of 3450351991 is about 1511.0811944287.

The spelling of 3450351991 in words is "three billion, four hundred fifty million, three hundred fifty-one thousand, nine hundred ninety-one".