3928166743 has 4 divisors (see below), whose sum is σ = 3964205080. Its totient is φ = 3892128408.

The previous prime is 3928166731. The next prime is 3928166747. The reversal of 3928166743 is 3476618293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3476618293 = 349 ⋅9961657.

It is a cyclic number.

It is not a de Polignac number, because 3928166743 - 2¹³ = 3928158551 is a prime.

It is a super-2 number, since 2×3928166743² = 30860987921622456098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928166747) 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, 18019005 + ... + 18019222.

It is an arithmetic number, because the mean of its divisors is an integer number (991051270).

Almost surely, 2^3928166743 is an apocalyptic number.

3928166743 is a deficient number, since it is larger than the sum of its proper divisors (36038337).

3928166743 is a wasteful number, since it uses less digits than its factorization.

3928166743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36038336.

The product of its digits is 1306368, while the sum is 49.

The square root of 3928166743 is about 62675.0886955894. The cubic root of 3928166743 is about 1577.8412465462.

The spelling of 3928166743 in words is "three billion, nine hundred twenty-eight million, one hundred sixty-six thousand, seven hundred forty-three".