2001654813 has 8 divisors (see below), whose sum is σ = 2670362176. Its totient is φ = 1333692000.

The previous prime is 2001654751. The next prime is 2001654839. The reversal of 2001654813 is 3184561002.

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

It is a de Polignac number, because none of the positive numbers 2^k-2001654813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001650813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179833 + ... + 190638.

It is an arithmetic number, because the mean of its divisors is an integer number (333795272).

Almost surely, 2^2001654813 is an apocalyptic number.

It is an amenable number.

2001654813 is a deficient number, since it is larger than the sum of its proper divisors (668707363).

2001654813 is a wasteful number, since it uses less digits than its factorization.

2001654813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372275.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2001654813 is about 44739.8570963297. The cubic root of 2001654813 is about 1260.2684430561.

The spelling of 2001654813 in words is "two billion, one million, six hundred fifty-four thousand, eight hundred thirteen".