425545343142229 has 4 divisors (see below), whose sum is σ = 425549613170380. Its totient is φ = 425541073114080.

The previous prime is 425545343142203. The next prime is 425545343142277. The reversal of 425545343142229 is 922241343545524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150943093092100 + 274602250050129 = 12285890^2 + 16571127^2 .

It is a cyclic number.

It is not a de Polignac number, because 425545343142229 - 2⁵ = 425545343142197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425545343142229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425545343142289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134864584 + ... + 2135063905.

It is an arithmetic number, because the mean of its divisors is an integer number (106387403292595).

Almost surely, 2^{425545343142229} is an apocalyptic number.

It is an amenable number.

425545343142229 is a deficient number, since it is larger than the sum of its proper divisors (4270028151).

425545343142229 is an equidigital number, since it uses as much as digits as its factorization.

425545343142229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270028150.

The product of its digits is 41472000, while the sum is 55.

The spelling of 425545343142229 in words is "four hundred twenty-five trillion, five hundred forty-five billion, three hundred forty-three million, one hundred forty-two thousand, two hundred twenty-nine".