1018490507 has 2 divisors, whose sum is σ = 1018490508. Its totient is φ = 1018490506.

The previous prime is 1018490503. The next prime is 1018490537. The reversal of 1018490507 is 7050948101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1018490507 - 2² = 1018490503 is a prime.

It is not a weakly prime, because it can be changed into another prime (1018490503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509245253 + 509245254.

It is an arithmetic number, because the mean of its divisors is an integer number (509245254).

Almost surely, 2^1018490507 is an apocalyptic number.

1018490507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018490507 is an equidigital number, since it uses as much as digits as its factorization.

1018490507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1018490507 is about 31913.7980660403. The cubic root of 1018490507 is about 1006.1258990658.

The spelling of 1018490507 in words is "one billion, eighteen million, four hundred ninety thousand, five hundred seven".