49651516061 has 4 divisors (see below), whose sum is σ = 56744589792. Its totient is φ = 42558442332.

The previous prime is 49651516051. The next prime is 49651516073. The reversal of 49651516061 is 16061515694.

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 not a de Polignac number, because 49651516061 - 2⁶ = 49651515997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49651516051) by changing a digit.

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, 3546536855 + ... + 3546536868.

It is an arithmetic number, because the mean of its divisors is an integer number (14186147448).

Almost surely, 2^49651516061 is an apocalyptic number.

It is an amenable number.

49651516061 is a deficient number, since it is larger than the sum of its proper divisors (7093073731).

49651516061 is an equidigital number, since it uses as much as digits as its factorization.

49651516061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093073730.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 49651516061 in words is "forty-nine billion, six hundred fifty-one million, five hundred sixteen thousand, sixty-one".