3431897642 has 8 divisors (see below), whose sum is σ = 5325358500. Its totient is φ = 1656778144.

The previous prime is 3431897641. The next prime is 3431897647. The reversal of 3431897642 is 2467981343.

It can be written as a sum of positive squares in 2 ways, for example, as 3308665441 + 123232201 = 57521^2 + 11101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3431897641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29585267 + ... + 29585382.

Almost surely, 2^3431897642 is an apocalyptic number.

3431897642 is a deficient number, since it is larger than the sum of its proper divisors (1893460858).

3431897642 is a wasteful number, since it uses less digits than its factorization.

3431897642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59170680.

The product of its digits is 870912, while the sum is 47.

The square root of 3431897642 is about 58582.4004458677. The cubic root of 3431897642 is about 1508.3823505073.

The spelling of 3431897642 in words is "three billion, four hundred thirty-one million, eight hundred ninety-seven thousand, six hundred forty-two".