8929649741 has 4 divisors (see below), whose sum is σ = 8967974652. Its totient is φ = 8891324832.

The previous prime is 8929649731. The next prime is 8929649759. The reversal of 8929649741 is 1479469298.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1479469298 = 2 ⋅739734649.

It can be written as a sum of positive squares in 2 ways, for example, as 6160680100 + 2768969641 = 78490^2 + 52621^2 .

It is a cyclic number.

It is not a de Polignac number, because 8929649741 - 2²⁶ = 8862540877 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 (8929649711) 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, 19162106 + ... + 19162571.

It is an arithmetic number, because the mean of its divisors is an integer number (2241993663).

Almost surely, 2^8929649741 is an apocalyptic number.

It is an amenable number.

8929649741 is a deficient number, since it is larger than the sum of its proper divisors (38324911).

8929649741 is a wasteful number, since it uses less digits than its factorization.

8929649741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38324910.

The product of its digits is 7838208, while the sum is 59.

The square root of 8929649741 is about 94496.8239730839. The cubic root of 8929649741 is about 2074.6498458651.

The spelling of 8929649741 in words is "eight billion, nine hundred twenty-nine million, six hundred forty-nine thousand, seven hundred forty-one".