443643699434 has 24 divisors (see below), whose sum is σ = 761291184108. Its totient is φ = 192714001920.

The previous prime is 443643699427. The next prime is 443643699469. The reversal of 443643699434 is 434996346344.

It can be written as a sum of positive squares in 6 ways, for example, as 358318368409 + 85325331025 = 598597^2 + 292105^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29513627 + ... + 29528654.

Almost surely, 2^443643699434 is an apocalyptic number.

443643699434 is a deficient number, since it is larger than the sum of its proper divisors (317647484674).

443643699434 is a wasteful number, since it uses less digits than its factorization.

443643699434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59042330 (or 59042313 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 59.

The spelling of 443643699434 in words is "four hundred forty-three billion, six hundred forty-three million, six hundred ninety-nine thousand, four hundred thirty-four".