1749668726468 has 24 divisors (see below), whose sum is σ = 3346668316992. Its totient is φ = 795486583584.

The previous prime is 1749668726441. The next prime is 1749668726513. The reversal of 1749668726468 is 8646278669471.

It is a super-2 number, since 2×1749668726468² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1749668726395 and 1749668726404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251097080 + ... + 251104047.

It is an arithmetic number, because the mean of its divisors is an integer number (139444513208).

Almost surely, 2^{1749668726468} is an apocalyptic number.

It is an amenable number.

1749668726468 is a deficient number, since it is larger than the sum of its proper divisors (1596999590524).

1749668726468 is a wasteful number, since it uses less digits than its factorization.

1749668726468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502201211 (or 502201209 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 74.

The spelling of 1749668726468 in words is "one trillion, seven hundred forty-nine billion, six hundred sixty-eight million, seven hundred twenty-six thousand, four hundred sixty-eight".