3105697438749 has 8 divisors (see below), whose sum is σ = 4141015001632. Its totient is φ = 2070422417520.

The previous prime is 3105697438703. The next prime is 3105697438843. The reversal of 3105697438749 is 9478347965013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3105697438749 - 2¹⁵ = 3105697405981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3105697438749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105697430749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10464679 + ... + 10757364.

It is an arithmetic number, because the mean of its divisors is an integer number (517626875204).

Almost surely, 2^{3105697438749} is an apocalyptic number.

It is an amenable number.

3105697438749 is a deficient number, since it is larger than the sum of its proper divisors (1035317562883).

3105697438749 is a wasteful number, since it uses less digits than its factorization.

3105697438749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270827.

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 3105697438749 in words is "three trillion, one hundred five billion, six hundred ninety-seven million, four hundred thirty-eight thousand, seven hundred forty-nine".