425535532823 has 2 divisors, whose sum is σ = 425535532824. Its totient is φ = 425535532822.

The previous prime is 425535532819. The next prime is 425535532831. The reversal of 425535532823 is 328235535524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425535532823 - 2² = 425535532819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425535532853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212767766411 + 212767766412.

It is an arithmetic number, because the mean of its divisors is an integer number (212767766412).

Almost surely, 2^425535532823 is an apocalyptic number.

425535532823 is a deficient number, since it is larger than the sum of its proper divisors (1).

425535532823 is an equidigital number, since it uses as much as digits as its factorization.

425535532823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 47.

The spelling of 425535532823 in words is "four hundred twenty-five billion, five hundred thirty-five million, five hundred thirty-two thousand, eight hundred twenty-three".