1008407849 has 2 divisors, whose sum is σ = 1008407850. Its totient is φ = 1008407848.

The previous prime is 1008407809. The next prime is 1008407857. The reversal of 1008407849 is 9487048001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916151824 + 92256025 = 30268^2 + 9605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008407849 - 2²⁰ = 1007359273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008407809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504203924 + 504203925.

It is an arithmetic number, because the mean of its divisors is an integer number (504203925).

Almost surely, 2^1008407849 is an apocalyptic number.

It is an amenable number.

1008407849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008407849 is an equidigital number, since it uses as much as digits as its factorization.

1008407849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1008407849 is about 31755.4381012135. The cubic root of 1008407849 is about 1002.7947981600.

The spelling of 1008407849 in words is "one billion, eight million, four hundred seven thousand, eight hundred forty-nine".