7734366991649 has 8 divisors (see below), whose sum is σ = 7760253876480. Its totient is φ = 7708487600736.

The previous prime is 7734366991633. The next prime is 7734366991657. The reversal of 7734366991649 is 9461996634377.

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

It is a cyclic number.

It is not a de Polignac number, because 7734366991649 - 2⁴ = 7734366991633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7734366991049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197972 + ... + 3938010.

It is an arithmetic number, because the mean of its divisors is an integer number (970031734560).

Almost surely, 2^{7734366991649} is an apocalyptic number.

It is an amenable number.

7734366991649 is a deficient number, since it is larger than the sum of its proper divisors (25886884831).

7734366991649 is a wasteful number, since it uses less digits than its factorization.

7734366991649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746959.

The product of its digits is 1111065984, while the sum is 74.

The spelling of 7734366991649 in words is "seven trillion, seven hundred thirty-four billion, three hundred sixty-six million, nine hundred ninety-one thousand, six hundred forty-nine".