3731143643 has 2 divisors, whose sum is σ = 3731143644. Its totient is φ = 3731143642.

The previous prime is 3731143627. The next prime is 3731143679. The reversal of 3731143643 is 3463411373.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3731143643 - 2⁴ = 3731143627 is a prime.

It is a super-2 number, since 2×3731143643² = 27842865769398622898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3731143543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865571821 + 1865571822.

It is an arithmetic number, because the mean of its divisors is an integer number (1865571822).

Almost surely, 2^3731143643 is an apocalyptic number.

3731143643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731143643 is an equidigital number, since it uses as much as digits as its factorization.

3731143643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 3731143643 is about 61083.0880277021. The cubic root of 3731143643 is about 1551.0078278034.

The spelling of 3731143643 in words is "three billion, seven hundred thirty-one million, one hundred forty-three thousand, six hundred forty-three".