1377513907893 has 6 divisors (see below), whose sum is σ = 1989742311414. Its totient is φ = 918342605256.

The previous prime is 1377513907853. The next prime is 1377513907919. The reversal of 1377513907893 is 3987093157731.

1377513907893 is a `hidden beast` number, since 1 + 37 + 7 + 513 + 9 + 0 + 7 + 89 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1122586868484 + 254927039409 = 1059522^2 + 504903^2 .

It is not a de Polignac number, because 1377513907893 - 2¹³ = 1377513899701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377513907893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377513907853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76528550430 + ... + 76528550447.

It is an arithmetic number, because the mean of its divisors is an integer number (331623718569).

Almost surely, 2^{1377513907893} is an apocalyptic number.

It is an amenable number.

1377513907893 is a deficient number, since it is larger than the sum of its proper divisors (612228403521).

1377513907893 is a wasteful number, since it uses less digits than its factorization.

1377513907893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153057100883 (or 153057100880 counting only the distinct ones).

The product of its (nonzero) digits is 30005640, while the sum is 63.

The spelling of 1377513907893 in words is "one trillion, three hundred seventy-seven billion, five hundred thirteen million, nine hundred seven thousand, eight hundred ninety-three".