43530462077 has 2 divisors, whose sum is σ = 43530462078. Its totient is φ = 43530462076.

The previous prime is 43530462047. The next prime is 43530462091. The reversal of 43530462077 is 77026403534.

43530462077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30339020761 + 13191441316 = 174181^2 + 114854^2 .

It is a cyclic number.

It is not a de Polignac number, because 43530462077 - 2⁶ = 43530462013 is a prime.

It is a super-2 number, since 2×43530462077² (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 (43530462047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21765231038 + 21765231039.

It is an arithmetic number, because the mean of its divisors is an integer number (21765231039).

Almost surely, 2^43530462077 is an apocalyptic number.

It is an amenable number.

43530462077 is a deficient number, since it is larger than the sum of its proper divisors (1).

43530462077 is an equidigital number, since it uses as much as digits as its factorization.

43530462077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 43530462077 in words is "forty-three billion, five hundred thirty million, four hundred sixty-two thousand, seventy-seven".