1487388613531 has 2 divisors, whose sum is σ = 1487388613532. Its totient is φ = 1487388613530.

The previous prime is 1487388613517. The next prime is 1487388613537. The reversal of 1487388613531 is 1353168837841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1487388613531 - 2³³ = 1478798678939 is a prime.

It is a super-2 number, since 2×1487388613531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1487388613537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743694306765 + 743694306766.

It is an arithmetic number, because the mean of its divisors is an integer number (743694306766).

Almost surely, 2^{1487388613531} is an apocalyptic number.

1487388613531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487388613531 is an equidigital number, since it uses as much as digits as its factorization.

1487388613531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 58.

The spelling of 1487388613531 in words is "one trillion, four hundred eighty-seven billion, three hundred eighty-eight million, six hundred thirteen thousand, five hundred thirty-one".