3874431573 has 6 divisors (see below), whose sum is σ = 5596401174. Its totient is φ = 2582954376.

The previous prime is 3874431557. The next prime is 3874431619. The reversal of 3874431573 is 3751344783.

3874431573 is a `hidden beast` number, since 3 + 8 + 7 + 44 + 31 + 573 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3000519729 + 873911844 = 54777^2 + 29562^2 .

It is not a de Polignac number, because 3874431573 - 2⁴ = 3874431557 is a prime.

It is a super-2 number, since 2×3874431573² = 30022440027718508658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874431173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215246190 + ... + 215246207.

It is an arithmetic number, because the mean of its divisors is an integer number (932733529).

Almost surely, 2^3874431573 is an apocalyptic number.

It is an amenable number.

3874431573 is a deficient number, since it is larger than the sum of its proper divisors (1721969601).

3874431573 is a wasteful number, since it uses less digits than its factorization.

3874431573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430492403 (or 430492400 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 3874431573 is about 62244.9321069595. The cubic root of 3874431573 is about 1570.6135204796.

The spelling of 3874431573 in words is "three billion, eight hundred seventy-four million, four hundred thirty-one thousand, five hundred seventy-three".