49008889589761 has 2 divisors, whose sum is σ = 49008889589762. Its totient is φ = 49008889589760.

The previous prime is 49008889589729. The next prime is 49008889589767. The reversal of 49008889589761 is 16798598880094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36081405968400 + 12927483621361 = 6006780^2 + 3595481^2 .

It is a cyclic number.

It is not a de Polignac number, because 49008889589761 - 2⁵ = 49008889589729 is a prime.

It is not a weakly prime, because it can be changed into another prime (49008889589767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24504444794880 + 24504444794881.

It is an arithmetic number, because the mean of its divisors is an integer number (24504444794881).

Almost surely, 2^{49008889589761} is an apocalyptic number.

It is an amenable number.

49008889589761 is a deficient number, since it is larger than the sum of its proper divisors (1).

49008889589761 is an equidigital number, since it uses as much as digits as its factorization.

49008889589761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2508226560, while the sum is 82.

The spelling of 49008889589761 in words is "forty-nine trillion, eight billion, eight hundred eighty-nine million, five hundred eighty-nine thousand, seven hundred sixty-one".