1019008413 has 6 divisors (see below), whose sum is σ = 1471901054. Its totient is φ = 679338936.

The previous prime is 1019008391. The next prime is 1019008423. The reversal of 1019008413 is 3148009101.

It can be written as a sum of positive squares in only one way, i.e., 944824644 + 74183769 = 30738^2 + 8613^2 .

It is not a de Polignac number, because 1019008413 - 2⁹ = 1019007901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019008423) 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 in 5 ways as a sum of consecutive naturals, for example, 56611570 + ... + 56611587.

Almost surely, 2^1019008413 is an apocalyptic number.

It is an amenable number.

1019008413 is a deficient number, since it is larger than the sum of its proper divisors (452892641).

1019008413 is a wasteful number, since it uses less digits than its factorization.

1019008413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113223163 (or 113223160 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1019008413 is about 31921.9111739883. The cubic root of 1019008413 is about 1006.2964096852.

The spelling of 1019008413 in words is "one billion, nineteen million, eight thousand, four hundred thirteen".