49169689477494 has 16 divisors (see below), whose sum is σ = 102615004127232. Its totient is φ = 15677292297128.

The previous prime is 49169689477453. The next prime is 49169689477523. The reversal of 49169689477494 is 49477498696194.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49169689477494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178151048694 + ... + 178151048969.

It is an arithmetic number, because the mean of its divisors is an integer number (6413437757952).

Almost surely, 2^{49169689477494} is an apocalyptic number.

49169689477494 is an abundant number, since it is smaller than the sum of its proper divisors (53445314649738).

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

49169689477494 is a wasteful number, since it uses less digits than its factorization.

49169689477494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356302097691.

The product of its digits is 23702740992, while the sum is 87.

The spelling of 49169689477494 in words is "forty-nine trillion, one hundred sixty-nine billion, six hundred eighty-nine million, four hundred seventy-seven thousand, four hundred ninety-four".