1002949469 has 2 divisors, whose sum is σ = 1002949470. Its totient is φ = 1002949468.

The previous prime is 1002949393. The next prime is 1002949489. The reversal of 1002949469 is 9649492001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779805625 + 223143844 = 27925^2 + 14938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002949469 is a prime.

It is a super-2 number, since 2×1002949469² = 2011815274734763922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002949489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501474734 + 501474735.

It is an arithmetic number, because the mean of its divisors is an integer number (501474735).

Almost surely, 2^1002949469 is an apocalyptic number.

It is an amenable number.

1002949469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002949469 is an equidigital number, since it uses as much as digits as its factorization.

1002949469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1002949469 is about 31669.3774646740. The cubic root of 1002949469 is about 1000.9821913177.

The spelling of 1002949469 in words is "one billion, two million, nine hundred forty-nine thousand, four hundred sixty-nine".