5380040242457 has 2 divisors, whose sum is σ = 5380040242458. Its totient is φ = 5380040242456.

The previous prime is 5380040242399. The next prime is 5380040242483. The reversal of 5380040242457 is 7542420400835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4215153911056 + 1164886331401 = 2053084^2 + 1079299^2 .

It is a cyclic number.

It is not a de Polignac number, because 5380040242457 - 2⁶ = 5380040242393 is a prime.

It is not a weakly prime, because it can be changed into another prime (5380040242757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690020121228 + 2690020121229.

It is an arithmetic number, because the mean of its divisors is an integer number (2690020121229).

Almost surely, 2^{5380040242457} is an apocalyptic number.

It is an amenable number.

5380040242457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5380040242457 is an equidigital number, since it uses as much as digits as its factorization.

5380040242457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 5380040242457 in words is "five trillion, three hundred eighty billion, forty million, two hundred forty-two thousand, four hundred fifty-seven".