434149783851 has 16 divisors (see below), whose sum is σ = 668994854400. Its totient is φ = 245298111168.

The previous prime is 434149783807. The next prime is 434149783901. The reversal of 434149783851 is 158387941434.

It is not a de Polignac number, because 434149783851 - 2⁹ = 434149783339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434149783791 and 434149783800.

It is not an unprimeable number, because it can be changed into a prime (434149783801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116143071 + ... + 116146808.

It is an arithmetic number, because the mean of its divisors is an integer number (41812178400).

Almost surely, 2^434149783851 is an apocalyptic number.

434149783851 is a deficient number, since it is larger than the sum of its proper divisors (234845070549).

434149783851 is a wasteful number, since it uses less digits than its factorization.

434149783851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232289978.

The product of its digits is 11612160, while the sum is 57.

The spelling of 434149783851 in words is "four hundred thirty-four billion, one hundred forty-nine million, seven hundred eighty-three thousand, eight hundred fifty-one".