456211015847789 has 2 divisors, whose sum is σ = 456211015847790. Its totient is φ = 456211015847788.

The previous prime is 456211015847707. The next prime is 456211015847809. The reversal of 456211015847789 is 987748510112654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271845075675625 + 184365940172164 = 16487725^2 + 13578142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456211015847789 is a prime.

It is a super-2 number, since 2×456211015847789² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456211075847789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228105507923894 + 228105507923895.

It is an arithmetic number, because the mean of its divisors is an integer number (228105507923895).

Almost surely, 2^{456211015847789} is an apocalyptic number.

It is an amenable number.

456211015847789 is a deficient number, since it is larger than the sum of its proper divisors (1).

456211015847789 is an equidigital number, since it uses as much as digits as its factorization.

456211015847789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135475200, while the sum is 68.

The spelling of 456211015847789 in words is "four hundred fifty-six trillion, two hundred eleven billion, fifteen million, eight hundred forty-seven thousand, seven hundred eighty-nine".