499963184081 has 2 divisors, whose sum is σ = 499963184082. Its totient is φ = 499963184080.

The previous prime is 499963184069. The next prime is 499963184101. The reversal of 499963184081 is 180481369994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389101488400 + 110861695681 = 623780^2 + 332959^2 .

It is a cyclic number.

It is not a de Polignac number, because 499963184081 - 2¹⁸ = 499962921937 is a prime.

It is a super-2 number, since 2×499963184081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499963184011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249981592040 + 249981592041.

It is an arithmetic number, because the mean of its divisors is an integer number (249981592041).

Almost surely, 2^499963184081 is an apocalyptic number.

It is an amenable number.

499963184081 is a deficient number, since it is larger than the sum of its proper divisors (1).

499963184081 is an equidigital number, since it uses as much as digits as its factorization.

499963184081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 499963184081 in words is "four hundred ninety-nine billion, nine hundred sixty-three million, one hundred eighty-four thousand, eighty-one".