13494758337978 has 8 divisors (see below), whose sum is σ = 26989516675968. Its totient is φ = 4498252779324.

The previous prime is 13494758337971. The next prime is 13494758338013. The reversal of 13494758337978 is 87973385749431.

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

13494758337978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13494758337971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124563194826 + ... + 1124563194837.

It is an arithmetic number, because the mean of its divisors is an integer number (3373689584496).

Almost surely, 2^{13494758337978} is an apocalyptic number.

13494758337978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13494758337978 is a wasteful number, since it uses less digits than its factorization.

13494758337978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249126389668.

The product of its digits is 3840721920, while the sum is 78.

The spelling of 13494758337978 in words is "thirteen trillion, four hundred ninety-four billion, seven hundred fifty-eight million, three hundred thirty-seven thousand, nine hundred seventy-eight".