425400263026643 has 8 divisors (see below), whose sum is σ = 429612780534480. Its totient is φ = 421187757944800.

The previous prime is 425400263026639. The next prime is 425400263026679. The reversal of 425400263026643 is 346620362004524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425400263026643 - 2² = 425400263026639 is a prime.

It is a super-3 number, since 3×425400263026643³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (425400263026633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75501953 + ... + 80940381.

It is an arithmetic number, because the mean of its divisors is an integer number (53701597566810).

Almost surely, 2^{425400263026643} is an apocalyptic number.

425400263026643 is a deficient number, since it is larger than the sum of its proper divisors (4212517507837).

425400263026643 is a wasteful number, since it uses less digits than its factorization.

425400263026643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212997.

The product of its (nonzero) digits is 4976640, while the sum is 47.

The spelling of 425400263026643 in words is "four hundred twenty-five trillion, four hundred billion, two hundred sixty-three million, twenty-six thousand, six hundred forty-three".