1020916499 has 2 divisors, whose sum is σ = 1020916500. Its totient is φ = 1020916498.

The previous prime is 1020916451. The next prime is 1020916511. The reversal of 1020916499 is 9946190201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9946190201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020916499 - 2²⁸ = 752481043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020916439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510458249 + 510458250.

It is an arithmetic number, because the mean of its divisors is an integer number (510458250).

Almost surely, 2^1020916499 is an apocalyptic number.

1020916499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020916499 is an equidigital number, since it uses as much as digits as its factorization.

1020916499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 1020916499 is about 31951.7839721040. The cubic root of 1020916499 is about 1006.9241123465.

The spelling of 1020916499 in words is "one billion, twenty million, nine hundred sixteen thousand, four hundred ninety-nine".