434972639443 has 2 divisors, whose sum is σ = 434972639444. Its totient is φ = 434972639442.

The previous prime is 434972639429. The next prime is 434972639461. The reversal of 434972639443 is 344936279434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434972639443 - 2¹⁷ = 434972508371 is a prime.

It is not a weakly prime, because it can be changed into another prime (434972609443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217486319721 + 217486319722.

It is an arithmetic number, because the mean of its divisors is an integer number (217486319722).

Almost surely, 2^434972639443 is an apocalyptic number.

434972639443 is a deficient number, since it is larger than the sum of its proper divisors (1).

434972639443 is an equidigital number, since it uses as much as digits as its factorization.

434972639443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 58.

The spelling of 434972639443 in words is "four hundred thirty-four billion, nine hundred seventy-two million, six hundred thirty-nine thousand, four hundred forty-three".