3431549478 has 24 divisors (see below), whose sum is σ = 7983605592. Its totient is φ = 980442624.

The previous prime is 3431549461. The next prime is 3431549483. The reversal of 3431549478 is 8749451343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5835675 + ... + 5836262.

It is an arithmetic number, because the mean of its divisors is an integer number (332650233).

Almost surely, 2^3431549478 is an apocalyptic number.

3431549478 is an abundant number, since it is smaller than the sum of its proper divisors (4552056114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3431549478 is a wasteful number, since it uses less digits than its factorization.

3431549478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671956 (or 11671949 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 3431549478 is about 58579.4287954398. The cubic root of 3431549478 is about 1508.3313406144.

The spelling of 3431549478 in words is "three billion, four hundred thirty-one million, five hundred forty-nine thousand, four hundred seventy-eight".