428129429611 has 16 divisors (see below), whose sum is σ = 467452399680. Its totient is φ = 389721024000.

The previous prime is 428129429573. The next prime is 428129429633. The reversal of 428129429611 is 116924921824.

It is a cyclic number.

It is not a de Polignac number, because 428129429611 - 2⁹ = 428129429099 is a prime.

It is a super-2 number, since 2×428129429611² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428129429641) 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, 6611730 + ... + 6676168.

It is an arithmetic number, because the mean of its divisors is an integer number (29215774980).

Almost surely, 2^428129429611 is an apocalyptic number.

428129429611 is a deficient number, since it is larger than the sum of its proper divisors (39322970069).

428129429611 is a wasteful number, since it uses less digits than its factorization.

428129429611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71526.

The product of its digits is 497664, while the sum is 49.

The spelling of 428129429611 in words is "four hundred twenty-eight billion, one hundred twenty-nine million, four hundred twenty-nine thousand, six hundred eleven".