43233333461 has 2 divisors, whose sum is σ = 43233333462. Its totient is φ = 43233333460.

The previous prime is 43233333443. The next prime is 43233333467. The reversal of 43233333461 is 16433333234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43143444100 + 89889361 = 207710^2 + 9481^2 .

It is a cyclic number.

It is not a de Polignac number, because 43233333461 - 2¹⁴ = 43233317077 is a prime.

It is a super-2 number, since 2×43233333461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43233333467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616666730 + 21616666731.

It is an arithmetic number, because the mean of its divisors is an integer number (21616666731).

Almost surely, 2^43233333461 is an apocalyptic number.

It is an amenable number.

43233333461 is a deficient number, since it is larger than the sum of its proper divisors (1).

43233333461 is an equidigital number, since it uses as much as digits as its factorization.

43233333461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 35.

Adding to 43233333461 its reverse (16433333234), we get a palindrome (59666666695).

The spelling of 43233333461 in words is "forty-three billion, two hundred thirty-three million, three hundred thirty-three thousand, four hundred sixty-one".