4323654781 has 2 divisors, whose sum is σ = 4323654782. Its totient is φ = 4323654780.

The previous prime is 4323654767. The next prime is 4323654791. The reversal of 4323654781 is 1874563234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3355884900 + 967769881 = 57930^2 + 31109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4323654781 is a prime.

It is a super-2 number, since 2×4323654781² = 37387981330528315922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4323654791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161827390 + 2161827391.

It is an arithmetic number, because the mean of its divisors is an integer number (2161827391).

Almost surely, 2^4323654781 is an apocalyptic number.

It is an amenable number.

4323654781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323654781 is an equidigital number, since it uses as much as digits as its factorization.

4323654781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 4323654781 is about 65754.5038837645. The cubic root of 4323654781 is about 1629.1097276231.

The spelling of 4323654781 in words is "four billion, three hundred twenty-three million, six hundred fifty-four thousand, seven hundred eighty-one".