1002949747 has 2 divisors, whose sum is σ = 1002949748. Its totient is φ = 1002949746.

The previous prime is 1002949699. The next prime is 1002949757. The reversal of 1002949747 is 7479492001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7479492001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002949747 - 2²⁷ = 868732019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002949757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501474873 + 501474874.

It is an arithmetic number, because the mean of its divisors is an integer number (501474874).

Almost surely, 2^1002949747 is an apocalyptic number.

1002949747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002949747 is an equidigital number, since it uses as much as digits as its factorization.

1002949747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1002949747 is about 31669.3818537716. The cubic root of 1002949747 is about 1000.9822838026.

The spelling of 1002949747 in words is "one billion, two million, nine hundred forty-nine thousand, seven hundred forty-seven".