3634738143 has 8 divisors (see below), whose sum is σ = 4846656048. Its totient is φ = 2422989504.

The previous prime is 3634738123. The next prime is 3634738147. The reversal of 3634738143 is 3418374363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3634738143 is a prime.

It is a super-2 number, since 2×3634738143² = 26422642736358176898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3634738095 and 3634738104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634738147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21571 + ... + 87947.

It is an arithmetic number, because the mean of its divisors is an integer number (605832006).

Almost surely, 2^3634738143 is an apocalyptic number.

3634738143 is a deficient number, since it is larger than the sum of its proper divisors (1211917905).

3634738143 is a wasteful number, since it uses less digits than its factorization.

3634738143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84633.

The product of its digits is 435456, while the sum is 42.

The square root of 3634738143 is about 60288.7895300611. The cubic root of 3634738143 is about 1537.5327535094.

The spelling of 3634738143 in words is "three billion, six hundred thirty-four million, seven hundred thirty-eight thousand, one hundred forty-three".