49428358691 has 2 divisors, whose sum is σ = 49428358692. Its totient is φ = 49428358690.

The previous prime is 49428358667. The next prime is 49428358703. The reversal of 49428358691 is 19685382494.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49428358691 - 2⁶ = 49428358627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49428358691.

It is not a weakly prime, because it can be changed into another prime (49428358591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24714179345 + 24714179346.

It is an arithmetic number, because the mean of its divisors is an integer number (24714179346).

Almost surely, 2^49428358691 is an apocalyptic number.

49428358691 is a deficient number, since it is larger than the sum of its proper divisors (1).

49428358691 is an equidigital number, since it uses as much as digits as its factorization.

49428358691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 59.

The spelling of 49428358691 in words is "forty-nine billion, four hundred twenty-eight million, three hundred fifty-eight thousand, six hundred ninety-one".