49243613642 has 8 divisors (see below), whose sum is σ = 73866368100. Its totient is φ = 24621490944.

The previous prime is 49243613611. The next prime is 49243613707. The reversal of 49243613642 is 24631634294.

It can be written as a sum of positive squares in 2 ways, for example, as 30036702721 + 19206910921 = 173311^2 + 138589^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 49243613593 and 49243613602.

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, 191984 + ... + 367892.

Almost surely, 2^49243613642 is an apocalyptic number.

49243613642 is a deficient number, since it is larger than the sum of its proper divisors (24622754458).

49243613642 is a wasteful number, since it uses less digits than its factorization.

49243613642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315880.

The product of its digits is 746496, while the sum is 44.

The spelling of 49243613642 in words is "forty-nine billion, two hundred forty-three million, six hundred thirteen thousand, six hundred forty-two".