2693671851393 has 6 divisors (see below), whose sum is σ = 3890859340914. Its totient is φ = 1795781234256.

The previous prime is 2693671851371. The next prime is 2693671851407. The reversal of 2693671851393 is 3931581763962.

2693671851393 is a `hidden beast` number, since 2 + 6 + 9 + 3 + 67 + 185 + 1 + 393 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2313614397249 + 380057454144 = 1521057^2 + 616488^2 .

It is not a de Polignac number, because 2693671851393 - 2³⁶ = 2624952374657 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2693671851393.

It is not an unprimeable number, because it can be changed into a prime (2693671853393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149648436180 + ... + 149648436197.

It is an arithmetic number, because the mean of its divisors is an integer number (648476556819).

Almost surely, 2^{2693671851393} is an apocalyptic number.

It is an amenable number.

2693671851393 is a deficient number, since it is larger than the sum of its proper divisors (1197187489521).

2693671851393 is a wasteful number, since it uses less digits than its factorization.

2693671851393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299296872383 (or 299296872380 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 2693671851393 in words is "two trillion, six hundred ninety-three billion, six hundred seventy-one million, eight hundred fifty-one thousand, three hundred ninety-three".