1028908623495 has 8 divisors (see below), whose sum is σ = 1646253797616. Its totient is φ = 548751265856.

The previous prime is 1028908623481. The next prime is 1028908623499. The reversal of 1028908623495 is 5943268098201.

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 1028908623495 - 2⁷ = 1028908623367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028908623499) 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, 34296954102 + ... + 34296954131.

It is an arithmetic number, because the mean of its divisors is an integer number (205781724702).

Almost surely, 2^{1028908623495} is an apocalyptic number.

1028908623495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1028908623495 is a deficient number, since it is larger than the sum of its proper divisors (617345174121).

1028908623495 is an equidigital number, since it uses as much as digits as its factorization.

1028908623495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68593908241.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 1028908623495 in words is "one trillion, twenty-eight billion, nine hundred eight million, six hundred twenty-three thousand, four hundred ninety-five".