434020774729 has 4 divisors (see below), whose sum is σ = 434022716800. Its totient is φ = 434018832660.

The previous prime is 434020774721. The next prime is 434020774751. The reversal of 434020774729 is 927477020434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927477020434 = 2 ⋅463738510217.

It is a cyclic number.

It is not a de Polignac number, because 434020774729 - 2³ = 434020774721 is a prime.

It is a super-2 number, since 2×434020774729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434020774721) 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, 584529 + ... + 1099870.

It is an arithmetic number, because the mean of its divisors is an integer number (108505679200).

Almost surely, 2^434020774729 is an apocalyptic number.

It is an amenable number.

434020774729 is a deficient number, since it is larger than the sum of its proper divisors (1942071).

434020774729 is a wasteful number, since it uses less digits than its factorization.

434020774729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942070.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 434020774729 in words is "four hundred thirty-four billion, twenty million, seven hundred seventy-four thousand, seven hundred twenty-nine".