1001001349 has 2 divisors, whose sum is σ = 1001001350. Its totient is φ = 1001001348.

The previous prime is 1001001329. The next prime is 1001001359. The reversal of 1001001349 is 9431001001.

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., 816530625 + 184470724 = 28575^2 + 13582^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001001349 - 2⁵ = 1001001317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001001329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500674 + 500500675.

It is an arithmetic number, because the mean of its divisors is an integer number (500500675).

Almost surely, 2^1001001349 is an apocalyptic number.

It is an amenable number.

1001001349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001001349 is an equidigital number, since it uses as much as digits as its factorization.

1001001349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1001001349 is about 31638.6053580116. The cubic root of 1001001349 is about 1000.3336716508. Note that the first 3 decimals are identical.

The spelling of 1001001349 in words is "one billion, one million, one thousand, three hundred forty-nine".