3928731149854 has 32 divisors (see below), whose sum is σ = 6969783674880. Its totient is φ = 1625080853088.

The previous prime is 3928731149821. The next prime is 3928731149881. The reversal of 3928731149854 is 4589411378293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688302 + ... + 2886385.

It is an arithmetic number, because the mean of its divisors is an integer number (217805739840).

Almost surely, 2^{3928731149854} is an apocalyptic number.

3928731149854 is a deficient number, since it is larger than the sum of its proper divisors (3041052525026).

3928731149854 is a wasteful number, since it uses less digits than its factorization.

3928731149854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577432.

The product of its digits is 52254720, while the sum is 64.

The spelling of 3928731149854 in words is "three trillion, nine hundred twenty-eight billion, seven hundred thirty-one million, one hundred forty-nine thousand, eight hundred fifty-four".