428071270663 has 16 divisors (see below), whose sum is σ = 451681400320. Its totient is φ = 404569735776.

The previous prime is 428071270661. The next prime is 428071270709. The reversal of 428071270663 is 366072170824.

It is a cyclic number.

It is not a de Polignac number, because 428071270663 - 2¹ = 428071270661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428071270661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35645806 + ... + 35657812.

It is an arithmetic number, because the mean of its divisors is an integer number (28230087520).

Almost surely, 2^428071270663 is an apocalyptic number.

428071270663 is a deficient number, since it is larger than the sum of its proper divisors (23610129657).

428071270663 is a wasteful number, since it uses less digits than its factorization.

428071270663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16366.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 428071270663 in words is "four hundred twenty-eight billion, seventy-one million, two hundred seventy thousand, six hundred sixty-three".