1381500053819 has 2 divisors, whose sum is σ = 1381500053820. Its totient is φ = 1381500053818.

The previous prime is 1381500053807. The next prime is 1381500053917. The reversal of 1381500053819 is 9183500051831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1381500053819 - 2¹⁶ = 1381499988283 is a prime.

It is a super-2 number, since 2×1381500053819² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1381500053819.

It is not a weakly prime, because it can be changed into another prime (1381500053419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690750026909 + 690750026910.

It is an arithmetic number, because the mean of its divisors is an integer number (690750026910).

Almost surely, 2^{1381500053819} is an apocalyptic number.

1381500053819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381500053819 is an equidigital number, since it uses as much as digits as its factorization.

1381500053819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 1381500053819 in words is "one trillion, three hundred eighty-one billion, five hundred million, fifty-three thousand, eight hundred nineteen".