434387856683 has 4 divisors (see below), whose sum is σ = 473877661848. Its totient is φ = 394898051520.

The previous prime is 434387856653. The next prime is 434387856701. The reversal of 434387856683 is 386658783434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434387856683 - 2¹⁰ = 434387855659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434387856613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19744902566 + ... + 19744902587.

It is an arithmetic number, because the mean of its divisors is an integer number (118469415462).

Almost surely, 2^434387856683 is an apocalyptic number.

434387856683 is a deficient number, since it is larger than the sum of its proper divisors (39489805165).

434387856683 is a wasteful number, since it uses less digits than its factorization.

434387856683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39489805164.

The product of its digits is 278691840, while the sum is 65.

The spelling of 434387856683 in words is "four hundred thirty-four billion, three hundred eighty-seven million, eight hundred fifty-six thousand, six hundred eighty-three".