43620476716357 has 2 divisors, whose sum is σ = 43620476716358. Its totient is φ = 43620476716356.

The previous prime is 43620476716277. The next prime is 43620476716381. The reversal of 43620476716357 is 75361767402634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42866273050756 + 754203665601 = 6547234^2 + 868449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43620476716357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43620476716295 and 43620476716304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43620476716757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21810238358178 + 21810238358179.

It is an arithmetic number, because the mean of its divisors is an integer number (21810238358179).

Almost surely, 2^{43620476716357} is an apocalyptic number.

It is an amenable number.

43620476716357 is a deficient number, since it is larger than the sum of its proper divisors (1).

43620476716357 is an equidigital number, since it uses as much as digits as its factorization.

43620476716357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 106686720, while the sum is 61.

The spelling of 43620476716357 in words is "forty-three trillion, six hundred twenty billion, four hundred seventy-six million, seven hundred sixteen thousand, three hundred fifty-seven".