425428421401 has 8 divisors (see below), whose sum is σ = 454752756864. Its totient is φ = 397006373280.

The previous prime is 425428421399. The next prime is 425428421441. The reversal of 425428421401 is 104124824524.

It is a happy number.

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 425428421401 - 2¹ = 425428421399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425428421441) 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, 225570861 + ... + 225572746.

It is an arithmetic number, because the mean of its divisors is an integer number (56844094608).

Almost surely, 2^425428421401 is an apocalyptic number.

425428421401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

425428421401 is a deficient number, since it is larger than the sum of its proper divisors (29324335463).

425428421401 is a wasteful number, since it uses less digits than its factorization.

425428421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451143671.

The product of its (nonzero) digits is 81920, while the sum is 37.

The spelling of 425428421401 in words is "four hundred twenty-five billion, four hundred twenty-eight million, four hundred twenty-one thousand, four hundred one".