1377463543 has 2 divisors, whose sum is σ = 1377463544. Its totient is φ = 1377463542.

The previous prime is 1377463487. The next prime is 1377463561. The reversal of 1377463543 is 3453647731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1377463543 - 2¹⁷ = 1377332471 is a prime.

It is a super-2 number, since 2×1377463543² = 3794811624588225698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1377463543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377433543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688731771 + 688731772.

It is an arithmetic number, because the mean of its divisors is an integer number (688731772).

Almost surely, 2^1377463543 is an apocalyptic number.

1377463543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377463543 is an equidigital number, since it uses as much as digits as its factorization.

1377463543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 43.

The square root of 1377463543 is about 37114.1959767418. The cubic root of 1377463543 is about 1112.6537545855.

The spelling of 1377463543 in words is "one billion, three hundred seventy-seven million, four hundred sixty-three thousand, five hundred forty-three".