49939734784 has 27 divisors (see below), whose sum is σ = 99691530127. Its totient is φ = 24968079616.

The previous prime is 49939734781. The next prime is 49939734787. The reversal of 49939734784 is 48743793994.

The square root of 49939734784 is 223472.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (49939734781) and next prime (49939734787).

It is a super-2 number, since 2×49939734784² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49939734781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3568569 + ... + 3582535.

Almost surely, 2^49939734784 is an apocalyptic number.

49939734784 is the 223472-nd square number.

It is an amenable number.

49939734784 is a deficient number, since it is larger than the sum of its proper divisors (49751795343).

49939734784 is an frugal number, since it uses more digits than its factorization.

49939734784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27950 (or 13969 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 67.

The spelling of 49939734784 in words is "forty-nine billion, nine hundred thirty-nine million, seven hundred thirty-four thousand, seven hundred eighty-four".