425344261044361 has 4 divisors (see below), whose sum is σ = 426262931155072. Its totient is φ = 424425590933652.

The previous prime is 425344261044337. The next prime is 425344261044377. The reversal of 425344261044361 is 163440162443524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425344261044361 - 2¹⁹ = 425344260520073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425344261044301) 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, 459335054661 + ... + 459335055586.

It is an arithmetic number, because the mean of its divisors is an integer number (106565732788768).

Almost surely, 2^{425344261044361} is an apocalyptic number.

It is an amenable number.

425344261044361 is a deficient number, since it is larger than the sum of its proper divisors (918670110711).

425344261044361 is an equidigital number, since it uses as much as digits as its factorization.

425344261044361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918670110710.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 425344261044361 in words is "four hundred twenty-five trillion, three hundred forty-four billion, two hundred sixty-one million, forty-four thousand, three hundred sixty-one".