1387754542439 has 2 divisors, whose sum is σ = 1387754542440. Its totient is φ = 1387754542438.

The previous prime is 1387754542387. The next prime is 1387754542441. The reversal of 1387754542439 is 9342454577831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1387754542439 - 2²⁸ = 1387486106983 is a prime.

Together with 1387754542441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387754542469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693877271219 + 693877271220.

It is an arithmetic number, because the mean of its divisors is an integer number (693877271220).

Almost surely, 2^{1387754542439} is an apocalyptic number.

1387754542439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387754542439 is an equidigital number, since it uses as much as digits as its factorization.

1387754542439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101606400, while the sum is 62.

The spelling of 1387754542439 in words is "one trillion, three hundred eighty-seven billion, seven hundred fifty-four million, five hundred forty-two thousand, four hundred thirty-nine".