2061001421 has 8 divisors (see below), whose sum is σ = 2169892800. Its totient is φ = 1952151840.

The previous prime is 2061001403. The next prime is 2061001433. The reversal of 2061001421 is 1241001602.

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 2061001421 - 2⁶ = 2061001357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2061001421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061006421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179081 + ... + 190241.

It is an arithmetic number, because the mean of its divisors is an integer number (271236600).

Almost surely, 2^2061001421 is an apocalyptic number.

It is an amenable number.

2061001421 is a deficient number, since it is larger than the sum of its proper divisors (108891379).

2061001421 is a wasteful number, since it uses less digits than its factorization.

2061001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20899.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2061001421 is about 45398.2535016492. The cubic root of 2061001421 is about 1272.6024756037.

The spelling of 2061001421 in words is "two billion, sixty-one million, one thousand, four hundred twenty-one".