1387831773601 has 24 divisors (see below), whose sum is σ = 1818514416384. Its totient is φ = 1033472643840.

The previous prime is 1387831773599. The next prime is 1387831773613. The reversal of 1387831773601 is 1063771387831.

It is not a de Polignac number, because 1387831773601 - 2¹ = 1387831773599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1387831773101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34484185 + ... + 34524406.

It is an arithmetic number, because the mean of its divisors is an integer number (75771434016).

Almost surely, 2^{1387831773601} is an apocalyptic number.

It is an amenable number.

1387831773601 is a deficient number, since it is larger than the sum of its proper divisors (430682642783).

1387831773601 is a wasteful number, since it uses less digits than its factorization.

1387831773601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69008641 (or 69008628 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 1387831773601 in words is "one trillion, three hundred eighty-seven billion, eight hundred thirty-one million, seven hundred seventy-three thousand, six hundred one".