6401035046645 has 16 divisors (see below), whose sum is σ = 7853577274368. Its totient is φ = 5006185240320.

The previous prime is 6401035046617. The next prime is 6401035046687. The reversal of 6401035046645 is 5466405301046.

It is not a de Polignac number, because 6401035046645 - 2²⁶ = 6400967937781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6401035046596 and 6401035046605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15251789 + ... + 15665858.

It is an arithmetic number, because the mean of its divisors is an integer number (490848579648).

Almost surely, 2^{6401035046645} is an apocalyptic number.

It is an amenable number.

6401035046645 is a deficient number, since it is larger than the sum of its proper divisors (1452542227723).

6401035046645 is a wasteful number, since it uses less digits than its factorization.

6401035046645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918580.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 6401035046645 in words is "six trillion, four hundred one billion, thirty-five million, forty-six thousand, six hundred forty-five".