3249109690109 has 4 divisors (see below), whose sum is σ = 3274693231104. Its totient is φ = 3223526149116.

The previous prime is 3249109690067. The next prime is 3249109690111. The reversal of 3249109690109 is 9010969019423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3249109690109 - 2⁸ = 3249109689853 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 (3249109695109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12791770307 + ... + 12791770560.

It is an arithmetic number, because the mean of its divisors is an integer number (818673307776).

Almost surely, 2^{3249109690109} is an apocalyptic number.

It is an amenable number.

3249109690109 is a deficient number, since it is larger than the sum of its proper divisors (25583540995).

3249109690109 is a wasteful number, since it uses less digits than its factorization.

3249109690109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583540994.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 3249109690109 in words is "three trillion, two hundred forty-nine billion, one hundred nine million, six hundred ninety thousand, one hundred nine".