1003923904081 has 16 divisors (see below), whose sum is σ = 1159371638784. Its totient is φ = 851508370944.

The previous prime is 1003923904063. The next prime is 1003923904103. The reversal of 1003923904081 is 1804093293001.

It is not a de Polignac number, because 1003923904081 - 2³¹ = 1001776420433 is a prime.

It is a super-2 number, since 2×1003923904081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003923304081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540465 + ... + 1516558.

It is an arithmetic number, because the mean of its divisors is an integer number (72460727424).

Almost surely, 2^{1003923904081} is an apocalyptic number.

It is an amenable number.

1003923904081 is a deficient number, since it is larger than the sum of its proper divisors (155447734703).

1003923904081 is a wasteful number, since it uses less digits than its factorization.

1003923904081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057760.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 1003923904081 in words is "one trillion, three billion, nine hundred twenty-three million, nine hundred four thousand, eighty-one".