1040534511673 has 2 divisors, whose sum is σ = 1040534511674. Its totient is φ = 1040534511672.

The previous prime is 1040534511671. The next prime is 1040534511697. The reversal of 1040534511673 is 3761154350401.

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., 828158241024 + 212376270649 = 910032^2 + 460843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040534511673 - 2¹ = 1040534511671 is a prime.

Together with 1040534511671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1040534511671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520267255836 + 520267255837.

It is an arithmetic number, because the mean of its divisors is an integer number (520267255837).

Almost surely, 2^{1040534511673} is an apocalyptic number.

It is an amenable number.

1040534511673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040534511673 is an equidigital number, since it uses as much as digits as its factorization.

1040534511673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1040534511673 in words is "one trillion, forty billion, five hundred thirty-four million, five hundred eleven thousand, six hundred seventy-three".