428413769279 has 16 divisors (see below), whose sum is σ = 446679321600. Its totient is φ = 410445895680.

The previous prime is 428413769239. The next prime is 428413769281. The reversal of 428413769279 is 972967314824.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428413769279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428413769239) 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, 1133672 + ... + 1463570.

It is an arithmetic number, because the mean of its divisors is an integer number (27917457600).

Almost surely, 2^428413769279 is an apocalyptic number.

428413769279 is a deficient number, since it is larger than the sum of its proper divisors (18265552321).

428413769279 is a wasteful number, since it uses less digits than its factorization.

428413769279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330350.

The product of its digits is 36578304, while the sum is 62.

The spelling of 428413769279 in words is "four hundred twenty-eight billion, four hundred thirteen million, seven hundred sixty-nine thousand, two hundred seventy-nine".