425943727349523 has 16 divisors (see below), whose sum is σ = 573630410304000. Its totient is φ = 281110572696800.

The previous prime is 425943727349519. The next prime is 425943727349537. The reversal of 425943727349523 is 325943727349524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425943727349523 - 2² = 425943727349519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425943727349593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98894073 + ... + 103111226.

It is an arithmetic number, because the mean of its divisors is an integer number (35851900644000).

Almost surely, 2^{425943727349523} is an apocalyptic number.

425943727349523 is a deficient number, since it is larger than the sum of its proper divisors (147686682954477).

425943727349523 is a wasteful number, since it uses less digits than its factorization.

425943727349523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202012362.

The product of its digits is 1371686400, while the sum is 69.

Subtracting from 425943727349523 its reverse (325943727349524), we obtain a palindrome (99999999999999).

The spelling of 425943727349523 in words is "four hundred twenty-five trillion, nine hundred forty-three billion, seven hundred twenty-seven million, three hundred forty-nine thousand, five hundred twenty-three".