49680129461 has 2 divisors, whose sum is σ = 49680129462. Its totient is φ = 49680129460.

The previous prime is 49680129439. The next prime is 49680129493. The reversal of 49680129461 is 16492108694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36935074225 + 12745055236 = 192185^2 + 112894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49680129461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49680128461) 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 as a sum of consecutive naturals, namely, 24840064730 + 24840064731.

It is an arithmetic number, because the mean of its divisors is an integer number (24840064731).

Almost surely, 2^49680129461 is an apocalyptic number.

It is an amenable number.

49680129461 is a deficient number, since it is larger than the sum of its proper divisors (1).

49680129461 is an equidigital number, since it uses as much as digits as its factorization.

49680129461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 49680129461 in words is "forty-nine billion, six hundred eighty million, one hundred twenty-nine thousand, four hundred sixty-one".