43553674097 has 2 divisors, whose sum is σ = 43553674098. Its totient is φ = 43553674096.

The previous prime is 43553674067. The next prime is 43553674139. The reversal of 43553674097 is 79047635534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43096099216 + 457574881 = 207596^2 + 21391^2 .

It is a cyclic number.

It is not a de Polignac number, because 43553674097 - 2⁶ = 43553674033 is a prime.

It is not a weakly prime, because it can be changed into another prime (43553674057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21776837048 + 21776837049.

It is an arithmetic number, because the mean of its divisors is an integer number (21776837049).

Almost surely, 2^43553674097 is an apocalyptic number.

It is an amenable number.

43553674097 is a deficient number, since it is larger than the sum of its proper divisors (1).

43553674097 is an equidigital number, since it uses as much as digits as its factorization.

43553674097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 43553674097 in words is "forty-three billion, five hundred fifty-three million, six hundred seventy-four thousand, ninety-seven".