428350119229881 has 12 divisors (see below), whose sum is σ = 618728217149952. Its totient is φ = 285566622852696.

The previous prime is 428350119229861. The next prime is 428350119229919. The reversal of 428350119229881 is 188922911053824.

428350119229881 is a `hidden beast` number, since 4 + 2 + 8 + 3 + 501 + 19 + 22 + 98 + 8 + 1 = 666.

It is not a de Polignac number, because 428350119229881 - 2⁹ = 428350119229369 is a prime.

It is a super-2 number, since 2×428350119229881² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428350119229831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14999200 + ... + 32888846.

It is an arithmetic number, because the mean of its divisors is an integer number (51560684762496).

Almost surely, 2^{428350119229881} is an apocalyptic number.

It is an amenable number.

428350119229881 is a deficient number, since it is larger than the sum of its proper divisors (190378097920071).

428350119229881 is a wasteful number, since it uses less digits than its factorization.

428350119229881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20550100 (or 20550097 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 428350119229881 in words is "four hundred twenty-eight trillion, three hundred fifty billion, one hundred nineteen million, two hundred twenty-nine thousand, eight hundred eighty-one".