49473010178 has 4 divisors (see below), whose sum is σ = 74209515270. Its totient is φ = 24736505088.

The previous prime is 49473010163. The next prime is 49473010183. The reversal of 49473010178 is 87101037494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87101037494 = 2 ⋅43550518747.

It can be written as a sum of positive squares in only one way, i.e., 48058723729 + 1414286449 = 219223^2 + 37607^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12368252543 + ... + 12368252546.

Almost surely, 2^49473010178 is an apocalyptic number.

49473010178 is a deficient number, since it is larger than the sum of its proper divisors (24736505092).

49473010178 is a wasteful number, since it uses less digits than its factorization.

49473010178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736505091.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 49473010178 in words is "forty-nine billion, four hundred seventy-three million, ten thousand, one hundred seventy-eight".