10149649 has 4 divisors (see below), whose sum is σ = 10263780. Its totient is φ = 10035520.

The previous prime is 10149631. The next prime is 10149653. The reversal of 10149649 is 94694101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1488400 + 8661249 = 1220^2 + 2943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10149649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10149149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56932 + ... + 57109.

It is an arithmetic number, because the mean of its divisors is an integer number (2565945).

Almost surely, 2^10149649 is an apocalyptic number.

It is an amenable number.

10149649 is a deficient number, since it is larger than the sum of its proper divisors (114131).

10149649 is an equidigital number, since it uses as much as digits as its factorization.

10149649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114130.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10149649 is about 3185.8513775755. The cubic root of 10149649 is about 216.5128488802.

The spelling of 10149649 in words is "ten million, one hundred forty-nine thousand, six hundred forty-nine".