434972639438 has 8 divisors (see below), whose sum is σ = 652464283032. Its totient is φ = 217484545096.

The previous prime is 434972639429. The next prime is 434972639443. The reversal of 434972639438 is 834936279434.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556220 + ... + 1085967.

It is an arithmetic number, because the mean of its divisors is an integer number (81558035379).

Almost surely, 2^434972639438 is an apocalyptic number.

434972639438 is a deficient number, since it is larger than the sum of its proper divisors (217491643594).

434972639438 is a wasteful number, since it uses less digits than its factorization.

434972639438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774626.

The product of its digits is 94058496, while the sum is 62.

The spelling of 434972639438 in words is "four hundred thirty-four billion, nine hundred seventy-two million, six hundred thirty-nine thousand, four hundred thirty-eight".