1017494099487 has 12 divisors (see below), whose sum is σ = 1476679169784. Its totient is φ = 675114567120.

The previous prime is 1017494099473. The next prime is 1017494099519. The reversal of 1017494099487 is 7849904947101.

1017494099487 is a `hidden beast` number, since 1 + 0 + 17 + 494 + 0 + 99 + 48 + 7 = 666.

It is not a de Polignac number, because 1017494099487 - 2⁶ = 1017494099423 is a prime.

It is a super-2 number, since 2×1017494099487² (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 (1017494099417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267900708 + ... + 267904505.

It is an arithmetic number, because the mean of its divisors is an integer number (123056597482).

Almost surely, 2^{1017494099487} is an apocalyptic number.

1017494099487 is a deficient number, since it is larger than the sum of its proper divisors (459185070297).

1017494099487 is a wasteful number, since it uses less digits than its factorization.

1017494099487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535805430 (or 535805427 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 1017494099487 in words is "one trillion, seventeen billion, four hundred ninety-four million, ninety-nine thousand, four hundred eighty-seven".