49284938278 has 4 divisors (see below), whose sum is σ = 73927407420. Its totient is φ = 24642469138.

The previous prime is 49284938243. The next prime is 49284938281. The reversal of 49284938278 is 87283948294.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12321234568 + ... + 12321234571.

It is an arithmetic number, because the mean of its divisors is an integer number (18481851855).

Almost surely, 2^49284938278 is an apocalyptic number.

49284938278 is a deficient number, since it is larger than the sum of its proper divisors (24642469142).

49284938278 is a wasteful number, since it uses less digits than its factorization.

49284938278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24642469141.

The product of its digits is 55738368, while the sum is 64.

The spelling of 49284938278 in words is "forty-nine billion, two hundred eighty-four million, nine hundred thirty-eight thousand, two hundred seventy-eight".