498913381787 has 2 divisors, whose sum is σ = 498913381788. Its totient is φ = 498913381786.

The previous prime is 498913381783. The next prime is 498913381849. The reversal of 498913381787 is 787183319894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498913381787 - 2² = 498913381783 is a prime.

It is a super-2 number, since 2×498913381787² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498913381783) 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, 249456690893 + 249456690894.

It is an arithmetic number, because the mean of its divisors is an integer number (249456690894).

Almost surely, 2^498913381787 is an apocalyptic number.

498913381787 is a deficient number, since it is larger than the sum of its proper divisors (1).

498913381787 is an equidigital number, since it uses as much as digits as its factorization.

498913381787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 68.

The spelling of 498913381787 in words is "four hundred ninety-eight billion, nine hundred thirteen million, three hundred eighty-one thousand, seven hundred eighty-seven".