434044520403 has 16 divisors (see below), whose sum is σ = 628150849536. Its totient is φ = 265001133600.

The previous prime is 434044520363. The next prime is 434044520419. The reversal of 434044520403 is 304025440434.

It is not a de Polignac number, because 434044520403 - 2¹⁸ = 434044258259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434044520423) 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, 43811373 + ... + 43821278.

It is an arithmetic number, because the mean of its divisors is an integer number (39259428096).

Almost surely, 2^434044520403 is an apocalyptic number.

434044520403 is a deficient number, since it is larger than the sum of its proper divisors (194106329133).

434044520403 is a wasteful number, since it uses less digits than its factorization.

434044520403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87632794.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 434044520403 its reverse (304025440434), we get a palindrome (738069960837).

The spelling of 434044520403 in words is "four hundred thirty-four billion, forty-four million, five hundred twenty thousand, four hundred three".