3451111643 has 16 divisors (see below), whose sum is σ = 4038481920. Its totient is φ = 2888113536.

The previous prime is 3451111633. The next prime is 3451111669. The reversal of 3451111643 is 3461111543.

It is not a de Polignac number, because 3451111643 - 2⁸ = 3451111387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451111633) 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 in 15 ways as a sum of consecutive naturals, for example, 20438 + ... + 85556.

It is an arithmetic number, because the mean of its divisors is an integer number (252405120).

Almost surely, 2^3451111643 is an apocalyptic number.

3451111643 is a deficient number, since it is larger than the sum of its proper divisors (587370277).

3451111643 is a wasteful number, since it uses less digits than its factorization.

3451111643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65306.

The product of its digits is 4320, while the sum is 29.

The square root of 3451111643 is about 58746.1627938370. The cubic root of 3451111643 is about 1511.1920827885.

The spelling of 3451111643 in words is "three billion, four hundred fifty-one million, one hundred eleven thousand, six hundred forty-three".