499937378873 has 2 divisors, whose sum is σ = 499937378874. Its totient is φ = 499937378872.

The previous prime is 499937378861. The next prime is 499937378999. The reversal of 499937378873 is 378873739994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435483847744 + 64453531129 = 659912^2 + 253877^2 .

It is a cyclic number.

It is not a de Polignac number, because 499937378873 - 2¹⁴ = 499937362489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499937378794 and 499937378803.

It is not a weakly prime, because it can be changed into another prime (499937377873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249968689436 + 249968689437.

It is an arithmetic number, because the mean of its divisors is an integer number (249968689437).

Almost surely, 2^499937378873 is an apocalyptic number.

It is an amenable number.

499937378873 is a deficient number, since it is larger than the sum of its proper divisors (1).

499937378873 is an equidigital number, since it uses as much as digits as its factorization.

499937378873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728324864, while the sum is 77.

The spelling of 499937378873 in words is "four hundred ninety-nine billion, nine hundred thirty-seven million, three hundred seventy-eight thousand, eight hundred seventy-three".