4651678741 has 4 divisors (see below), whose sum is σ = 4654364652. Its totient is φ = 4648992832.

The previous prime is 4651678729. The next prime is 4651678751. The reversal of 4651678741 is 1478761564.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1546848900 + 3104829841 = 39330^2 + 55721^2 .

It is a cyclic number.

It is not a de Polignac number, because 4651678741 - 2⁵ = 4651678709 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651678721) 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, 1340356 + ... + 1343821.

It is an arithmetic number, because the mean of its divisors is an integer number (1163591163).

Almost surely, 2^4651678741 is an apocalyptic number.

It is an amenable number.

4651678741 is a deficient number, since it is larger than the sum of its proper divisors (2685911).

4651678741 is a wasteful number, since it uses less digits than its factorization.

4651678741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685910.

The product of its digits is 1128960, while the sum is 49.

The square root of 4651678741 is about 68203.2165003968. The cubic root of 4651678741 is about 1669.3083706589.

The spelling of 4651678741 in words is "four billion, six hundred fifty-one million, six hundred seventy-eight thousand, seven hundred forty-one".