49187678194 has 8 divisors (see below), whose sum is σ = 73992926700. Its totient is φ = 24523369296.

The previous prime is 49187678171. The next prime is 49187678219.

49187678194 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 48438287569 + 749390625 = 220087^2 + 27375^2 .

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

It is a super-2 number, since 2×49187678194² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35234029 + ... + 35235424.

Almost surely, 2^49187678194 is an apocalyptic number.

49187678194 is a deficient number, since it is larger than the sum of its proper divisors (24805248506).

49187678194 is a wasteful number, since it uses less digits than its factorization.

49187678194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70469804.

The product of its digits is 24385536, while the sum is 64.

The spelling of 49187678194 in words is "forty-nine billion, one hundred eighty-seven million, six hundred seventy-eight thousand, one hundred ninety-four".