1428328518537 has 16 divisors (see below), whose sum is σ = 1910864766272. Its totient is φ = 949006368000.

The previous prime is 1428328518527. The next prime is 1428328518563. The reversal of 1428328518537 is 7358158238241.

It is not a de Polignac number, because 1428328518537 - 2⁴ = 1428328518521 is a prime.

It is a super-2 number, since 2×1428328518537² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428328518527) 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, 8203773 + ... + 8376069.

It is an arithmetic number, because the mean of its divisors is an integer number (119429047892).

Almost surely, 2^{1428328518537} is an apocalyptic number.

It is an amenable number.

1428328518537 is a deficient number, since it is larger than the sum of its proper divisors (482536247735).

1428328518537 is a wasteful number, since it uses less digits than its factorization.

1428328518537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181608.

The product of its digits is 12902400, while the sum is 57.

The spelling of 1428328518537 in words is "one trillion, four hundred twenty-eight billion, three hundred twenty-eight million, five hundred eighteen thousand, five hundred thirty-seven".