499999975555463 has 2 divisors, whose sum is σ = 499999975555464. Its totient is φ = 499999975555462.

The previous prime is 499999975555459. The next prime is 499999975555559. The reversal of 499999975555463 is 364555579999994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499999975555463 - 2² = 499999975555459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499999975555463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499999975555403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999987777731 + 249999987777732.

It is an arithmetic number, because the mean of its divisors is an integer number (249999987777732).

Almost surely, 2^{499999975555463} is an apocalyptic number.

499999975555463 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999975555463 is an equidigital number, since it uses as much as digits as its factorization.

499999975555463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 669615660000, while the sum is 98.

The spelling of 499999975555463 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred seventy-five million, five hundred fifty-five thousand, four hundred sixty-three".