49073707561 has 4 divisors (see below), whose sum is σ = 49076614800. Its totient is φ = 49070800324.

The previous prime is 49073707499. The next prime is 49073707607. The reversal of 49073707561 is 16570737094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49073707561 - 2²¹ = 49071610409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49073707961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428151 + ... + 1462108.

It is an arithmetic number, because the mean of its divisors is an integer number (12269153700).

Almost surely, 2^49073707561 is an apocalyptic number.

It is an amenable number.

49073707561 is a deficient number, since it is larger than the sum of its proper divisors (2907239).

49073707561 is a wasteful number, since it uses less digits than its factorization.

49073707561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907238.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 49073707561 in words is "forty-nine billion, seventy-three million, seven hundred seven thousand, five hundred sixty-one".