49679982445 has 4 divisors (see below), whose sum is σ = 59615978940. Its totient is φ = 39743985952.

The previous prime is 49679982437. The next prime is 49679982493. The reversal of 49679982445 is 54428997694.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54428997694 = 2 ⋅27214498847.

It can be written as a sum of positive squares in 2 ways, for example, as 8874770436 + 40805212009 = 94206^2 + 202003^2 .

It is a cyclic number.

It is not a de Polignac number, because 49679982445 - 2³ = 49679982437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967998240 + ... + 4967998249.

It is an arithmetic number, because the mean of its divisors is an integer number (14903994735).

Almost surely, 2^49679982445 is an apocalyptic number.

It is an amenable number.

49679982445 is a deficient number, since it is larger than the sum of its proper divisors (9935996495).

49679982445 is an equidigital number, since it uses as much as digits as its factorization.

49679982445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935996494.

The product of its digits is 156764160, while the sum is 67.

The spelling of 49679982445 in words is "forty-nine billion, six hundred seventy-nine million, nine hundred eighty-two thousand, four hundred forty-five".