34149491999 has 16 divisors (see below), whose sum is σ = 42331657536. Its totient is φ = 26877235200.

The previous prime is 34149491969. The next prime is 34149492001. The reversal of 34149491999 is 99919494143.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34149491999 - 2²⁸ = 33881056543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34149491969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494762 + ... + 3504519.

It is an arithmetic number, because the mean of its divisors is an integer number (2645728596).

Almost surely, 2^34149491999 is an apocalyptic number.

34149491999 is a deficient number, since it is larger than the sum of its proper divisors (8182165537).

34149491999 is a wasteful number, since it uses less digits than its factorization.

34149491999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999346.

The product of its digits is 11337408, while the sum is 62.

The spelling of 34149491999 in words is "thirty-four billion, one hundred forty-nine million, four hundred ninety-one thousand, nine hundred ninety-nine".