49820545787 has 2 divisors, whose sum is σ = 49820545788. Its totient is φ = 49820545786.

The previous prime is 49820545777. The next prime is 49820545807. The reversal of 49820545787 is 78754502894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49820545787 - 2¹² = 49820541691 is a prime.

It is not a weakly prime, because it can be changed into another prime (49820545777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24910272893 + 24910272894.

It is an arithmetic number, because the mean of its divisors is an integer number (24910272894).

Almost surely, 2^49820545787 is an apocalyptic number.

49820545787 is a deficient number, since it is larger than the sum of its proper divisors (1).

49820545787 is an equidigital number, since it uses as much as digits as its factorization.

49820545787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 49820545787 in words is "forty-nine billion, eight hundred twenty million, five hundred forty-five thousand, seven hundred eighty-seven".