1007921891401 has 8 divisors (see below), whose sum is σ = 1010653562880. Its totient is φ = 1005190741632.

The previous prime is 1007921891377. The next prime is 1007921891423. The reversal of 1007921891401 is 1041981297001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1007921891401 - 2¹¹ = 1007921889353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1007921891491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3907636 + ... + 4157578.

It is an arithmetic number, because the mean of its divisors is an integer number (126331695360).

Almost surely, 2^{1007921891401} is an apocalyptic number.

It is an amenable number.

1007921891401 is a deficient number, since it is larger than the sum of its proper divisors (2731671479).

1007921891401 is a wasteful number, since it uses less digits than its factorization.

1007921891401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260855.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1007921891401 in words is "one trillion, seven billion, nine hundred twenty-one million, eight hundred ninety-one thousand, four hundred one".