13494988407826 has 8 divisors (see below), whose sum is σ = 20469926236860. Its totient is φ = 6671679662208.

The previous prime is 13494988407809. The next prime is 13494988407833. The reversal of 13494988407826 is 62870488949431.

It can be written as a sum of positive squares in 2 ways, for example, as 13494976949601 + 11458225 = 3673551^2 + 3385^2 .

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

It is a super-2 number, since 2×13494988407826² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37907270631 + ... + 37907270986.

Almost surely, 2^{13494988407826} is an apocalyptic number.

13494988407826 is a deficient number, since it is larger than the sum of its proper divisors (6974937829034).

13494988407826 is an equidigital number, since it uses as much as digits as its factorization.

13494988407826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75814541708.

The product of its (nonzero) digits is 668860416, while the sum is 73.

The spelling of 13494988407826 in words is "thirteen trillion, four hundred ninety-four billion, nine hundred eighty-eight million, four hundred seven thousand, eight hundred twenty-six".