2001254146653 has 8 divisors (see below), whose sum is σ = 2718684878688. Its totient is φ = 1308996422864.

The previous prime is 2001254146651. The next prime is 2001254146657. The reversal of 2001254146653 is 3566414521002.

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 2001254146653 - 2¹ = 2001254146651 is a prime.

It is a super-2 number, since 2×2001254146653² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001254146651) 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, 6293251875 + ... + 6293252192.

It is an arithmetic number, because the mean of its divisors is an integer number (339835609836).

Almost surely, 2^{2001254146653} is an apocalyptic number.

It is an amenable number.

2001254146653 is a deficient number, since it is larger than the sum of its proper divisors (717430732035).

2001254146653 is a wasteful number, since it uses less digits than its factorization.

2001254146653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586504123.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 2001254146653 its reverse (3566414521002), we get a palindrome (5567668667655).

The spelling of 2001254146653 in words is "two trillion, one billion, two hundred fifty-four million, one hundred forty-six thousand, six hundred fifty-three".