3143893464 has 24 divisors (see below), whose sum is σ = 8514711660. Its totient is φ = 1047964464.

The previous prime is 3143893447. The next prime is 3143893469. The reversal of 3143893464 is 4643983413.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3143893464² = 19768132225963838592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143893469) 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, 21832522 + ... + 21832665.

Almost surely, 2^3143893464 is an apocalyptic number.

It is an amenable number.

3143893464 is an abundant number, since it is smaller than the sum of its proper divisors (5370818196).

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

3143893464 is a wasteful number, since it uses less digits than its factorization.

3143893464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43665199 (or 43665192 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 3143893464 is about 56070.4330641382. The cubic root of 3143893464 is about 1464.9493417079.

The spelling of 3143893464 in words is "three billion, one hundred forty-three million, eight hundred ninety-three thousand, four hundred sixty-four".