1443693942 has 40 divisors (see below), whose sum is σ = 3238450776. Its totient is φ = 480709728.

The previous prime is 1443693887. The next prime is 1443693943. The reversal of 1443693942 is 2493963441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443693943) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163033 + ... + 171659.

Almost surely, 2^1443693942 is an apocalyptic number.

1443693942 is an abundant number, since it is smaller than the sum of its proper divisors (1794756834).

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

1443693942 is a wasteful number, since it uses less digits than its factorization.

1443693942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674 (or 9665 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1443693942 is about 37995.9727076436. The cubic root of 1443693942 is about 1130.2080025380.

The spelling of 1443693942 in words is "one billion, four hundred forty-three million, six hundred ninety-three thousand, nine hundred forty-two".