427345608401 has 4 divisors (see below), whose sum is σ = 433364560704. Its totient is φ = 421326656100.

The previous prime is 427345608397. The next prime is 427345608419. The reversal of 427345608401 is 104806543724.

It is a happy number.

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 427345608401 - 2² = 427345608397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427345608101) 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, 3009476045 + ... + 3009476186.

It is an arithmetic number, because the mean of its divisors is an integer number (108341140176).

Almost surely, 2^427345608401 is an apocalyptic number.

It is an amenable number.

427345608401 is a deficient number, since it is larger than the sum of its proper divisors (6018952303).

427345608401 is an equidigital number, since it uses as much as digits as its factorization.

427345608401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018952302.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 427345608401 in words is "four hundred twenty-seven billion, three hundred forty-five million, six hundred eight thousand, four hundred one".