1028972065430 has 8 divisors (see below), whose sum is σ = 1852149717792. Its totient is φ = 411588826168.

The previous prime is 1028972065417. The next prime is 1028972065477. The reversal of 1028972065430 is 345602798201.

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

It is a super-2 number, since 2×1028972065430² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51448603262 + ... + 51448603281.

It is an arithmetic number, because the mean of its divisors is an integer number (231518714724).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1028972065430 = 2057944130860, but 3⋅1028972065430 = 3086916196290 is not.

Almost surely, 2^{1028972065430} is an apocalyptic number.

1028972065430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028972065430 is a deficient number, since it is larger than the sum of its proper divisors (823177652362).

1028972065430 is a wasteful number, since it uses less digits than its factorization.

1028972065430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102897206550.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1028972065430 in words is "one trillion, twenty-eight billion, nine hundred seventy-two million, sixty-five thousand, four hundred thirty".