1745639978810 has 192 divisors, whose sum is σ = 3954663844992. Its totient is φ = 549899933184.

The previous prime is 1745639978807. The next prime is 1745639978843. The reversal of 1745639978810 is 188799365471.

It is a super-3 number, since 3×1745639978810³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2305996952 + ... + 2305997708.

It is an arithmetic number, because the mean of its divisors is an integer number (20597207526).

Almost surely, 2^{1745639978810} is an apocalyptic number.

1745639978810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1745639978810 is an abundant number, since it is smaller than the sum of its proper divisors (2209023866182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1745639978810 is a wasteful number, since it uses less digits than its factorization.

1745639978810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 68.

The spelling of 1745639978810 in words is "one trillion, seven hundred forty-five billion, six hundred thirty-nine million, nine hundred seventy-eight thousand, eight hundred ten".