42763499 has 2 divisors, whose sum is σ = 42763500. Its totient is φ = 42763498.

The previous prime is 42763481. The next prime is 42763519. The reversal of 42763499 is 99436724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42763499 is a prime.

It is not a weakly prime, because it can be changed into another prime (42763439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21381749 + 21381750.

It is an arithmetic number, because the mean of its divisors is an integer number (21381750).

Almost surely, 2^42763499 is an apocalyptic number.

42763499 is a deficient number, since it is larger than the sum of its proper divisors (1).

42763499 is an equidigital number, since it uses as much as digits as its factorization.

42763499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 42763499 is about 6539.3806281635. The cubic root of 42763499 is about 349.6963325262.

The spelling of 42763499 in words is "forty-two million, seven hundred sixty-three thousand, four hundred ninety-nine".