1383619756543 has 2 divisors, whose sum is σ = 1383619756544. Its totient is φ = 1383619756542.

The previous prime is 1383619756517. The next prime is 1383619756549. The reversal of 1383619756543 is 3456579163831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1383619756543 - 2²⁵ = 1383586202111 is a prime.

It is a super-2 number, since 2×1383619756543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383619756549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691809878271 + 691809878272.

It is an arithmetic number, because the mean of its divisors is an integer number (691809878272).

Almost surely, 2^{1383619756543} is an apocalyptic number.

1383619756543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383619756543 is an equidigital number, since it uses as much as digits as its factorization.

1383619756543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 61.

The spelling of 1383619756543 in words is "one trillion, three hundred eighty-three billion, six hundred nineteen million, seven hundred fifty-six thousand, five hundred forty-three".