1003696945840 has 20 divisors (see below), whose sum is σ = 2333595399264. Its totient is φ = 401478778304.

The previous prime is 1003696945831. The next prime is 1003696945879. The reversal of 1003696945840 is 485496963001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×1003696945840³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6273105832 + ... + 6273105991.

Almost surely, 2^{1003696945840} is an apocalyptic number.

1003696945840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003696945840 is an abundant number, since it is smaller than the sum of its proper divisors (1329898453424).

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

1003696945840 is a wasteful number, since it uses less digits than its factorization.

1003696945840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546211836 (or 12546211830 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 1003696945840 in words is "one trillion, three billion, six hundred ninety-six million, nine hundred forty-five thousand, eight hundred forty".