5487531845513 has 2 divisors, whose sum is σ = 5487531845514. Its totient is φ = 5487531845512.

The previous prime is 5487531845503. The next prime is 5487531845573. The reversal of 5487531845513 is 3155481357845.

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., 4963128484864 + 524403360649 = 2227808^2 + 724157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5487531845513 - 2⁶ = 5487531845449 is a prime.

It is a super-2 number, since 2×5487531845513² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5487531845503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743765922756 + 2743765922757.

It is an arithmetic number, because the mean of its divisors is an integer number (2743765922757).

Almost surely, 2^{5487531845513} is an apocalyptic number.

It is an amenable number.

5487531845513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5487531845513 is an equidigital number, since it uses as much as digits as its factorization.

5487531845513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320000, while the sum is 59.

The spelling of 5487531845513 in words is "five trillion, four hundred eighty-seven billion, five hundred thirty-one million, eight hundred forty-five thousand, five hundred thirteen".