3491473739 has 16 divisors (see below), whose sum is σ = 3895970400. Its totient is φ = 3108458496.

The previous prime is 3491473723. The next prime is 3491473771. The reversal of 3491473739 is 9373741943.

It is a happy number.

It is not a de Polignac number, because 3491473739 - 2⁴ = 3491473723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3491473789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294 + ... + 83595.

It is an arithmetic number, because the mean of its divisors is an integer number (243498150).

Almost surely, 2^3491473739 is an apocalyptic number.

3491473739 is a deficient number, since it is larger than the sum of its proper divisors (404496661).

3491473739 is a wasteful number, since it uses less digits than its factorization.

3491473739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86014.

The product of its digits is 1714608, while the sum is 50.

The square root of 3491473739 is about 59088.6938339307. The cubic root of 3491473739 is about 1517.0605905780.

The spelling of 3491473739 in words is "three billion, four hundred ninety-one million, four hundred seventy-three thousand, seven hundred thirty-nine".