43264284156461 has 2 divisors, whose sum is σ = 43264284156462. Its totient is φ = 43264284156460.

The previous prime is 43264284156449. The next prime is 43264284156487. The reversal of 43264284156461 is 16465148246234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39184970844100 + 4079313312361 = 6259790^2 + 2019731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43264284156461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43264284156397 and 43264284156406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43264284156491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21632142078230 + 21632142078231.

It is an arithmetic number, because the mean of its divisors is an integer number (21632142078231).

Almost surely, 2^{43264284156461} is an apocalyptic number.

It is an amenable number.

43264284156461 is a deficient number, since it is larger than the sum of its proper divisors (1).

43264284156461 is an equidigital number, since it uses as much as digits as its factorization.

43264284156461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26542080, while the sum is 56.

The spelling of 43264284156461 in words is "forty-three trillion, two hundred sixty-four billion, two hundred eighty-four million, one hundred fifty-six thousand, four hundred sixty-one".