1402631443 has 12 divisors (see below), whose sum is σ = 1451813584. Its totient is φ = 1354968000.

The previous prime is 1402631441. The next prime is 1402631453. The reversal of 1402631443 is 3441362041.

It is not a de Polignac number, because 1402631443 - 2¹ = 1402631441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402631441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169093 + ... + 177193.

Almost surely, 2^1402631443 is an apocalyptic number.

1402631443 is a deficient number, since it is larger than the sum of its proper divisors (49182141).

1402631443 is an equidigital number, since it uses as much as digits as its factorization.

1402631443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1402631443 is about 37451.7214958138. The cubic root of 1402631443 is about 1119.3894001146.

Adding to 1402631443 its reverse (3441362041), we get a palindrome (4843993484).

The spelling of 1402631443 in words is "one billion, four hundred two million, six hundred thirty-one thousand, four hundred forty-three".