425723732021434 has 32 divisors (see below), whose sum is σ = 796194603417600. Its totient is φ = 165858902486640.

The previous prime is 425723732021363. The next prime is 425723732021557. The reversal of 425723732021434 is 434120237327524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58964874 + ... + 65789845.

It is an arithmetic number, because the mean of its divisors is an integer number (24881081356800).

Almost surely, 2^{425723732021434} is an apocalyptic number.

425723732021434 is a deficient number, since it is larger than the sum of its proper divisors (370470871396166).

425723732021434 is a wasteful number, since it uses less digits than its factorization.

425723732021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124776898.

The product of its (nonzero) digits is 6773760, while the sum is 49.

Adding to 425723732021434 its reverse (434120237327524), we get a palindrome (859843969348958).

The spelling of 425723732021434 in words is "four hundred twenty-five trillion, seven hundred twenty-three billion, seven hundred thirty-two million, twenty-one thousand, four hundred thirty-four".