7401056545537 has 2 divisors, whose sum is σ = 7401056545538. Its totient is φ = 7401056545536.

The previous prime is 7401056545529. The next prime is 7401056545583. The reversal of 7401056545537 is 7355456501047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7392694540401 + 8362005136 = 2718951^2 + 91444^2 .

It is an emirp because it is prime and its reverse (7355456501047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7401056545537 - 2³ = 7401056545529 is a prime.

It is not a weakly prime, because it can be changed into another prime (7401056545837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700528272768 + 3700528272769.

It is an arithmetic number, because the mean of its divisors is an integer number (3700528272769).

Almost surely, 2^{7401056545537} is an apocalyptic number.

It is an amenable number.

7401056545537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7401056545537 is an equidigital number, since it uses as much as digits as its factorization.

7401056545537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 7401056545537 in words is "seven trillion, four hundred one billion, fifty-six million, five hundred forty-five thousand, five hundred thirty-seven".