1428879597431 has 8 divisors (see below), whose sum is σ = 1678683723024. Its totient is φ = 1199059801920.

The previous prime is 1428879597427. The next prime is 1428879597451. The reversal of 1428879597431 is 1347959788241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428879597431 - 2² = 1428879597427 is a prime.

It is a super-2 number, since 2×1428879597431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428879597451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996082366 + ... + 4996082651.

It is an arithmetic number, because the mean of its divisors is an integer number (209835465378).

Almost surely, 2^{1428879597431} is an apocalyptic number.

1428879597431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1428879597431 is a deficient number, since it is larger than the sum of its proper divisors (249804125593).

1428879597431 is a wasteful number, since it uses less digits than its factorization.

1428879597431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9992165041.

The product of its digits is 121927680, while the sum is 68.

The spelling of 1428879597431 in words is "one trillion, four hundred twenty-eight billion, eight hundred seventy-nine million, five hundred ninety-seven thousand, four hundred thirty-one".