49845161477 has 2 divisors, whose sum is σ = 49845161478. Its totient is φ = 49845161476.

The previous prime is 49845161461. The next prime is 49845161537. The reversal of 49845161477 is 77416154894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31444510276 + 18400651201 = 177326^2 + 135649^2 .

It is a cyclic number.

It is not a de Polignac number, because 49845161477 - 2⁴ = 49845161461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49845161447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24922580738 + 24922580739.

It is an arithmetic number, because the mean of its divisors is an integer number (24922580739).

Almost surely, 2^49845161477 is an apocalyptic number.

It is an amenable number.

49845161477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49845161477 is an equidigital number, since it uses as much as digits as its factorization.

49845161477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 56.

The spelling of 49845161477 in words is "forty-nine billion, eight hundred forty-five million, one hundred sixty-one thousand, four hundred seventy-seven".