2061000019 has 8 divisors (see below), whose sum is σ = 2271156272. Its totient is φ = 1858217760.

The previous prime is 2061000017. The next prime is 2061000023. The reversal of 2061000019 is 9100001602.

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 2061000019 - 2¹ = 2061000017 is a prime.

It is a super-2 number, since 2×2061000019² = 8495442156636000722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061000017) 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, 1842912 + ... + 1844029.

It is an arithmetic number, because the mean of its divisors is an integer number (283894534).

Almost surely, 2^2061000019 is an apocalyptic number.

2061000019 is a deficient number, since it is larger than the sum of its proper divisors (210156253).

2061000019 is a wasteful number, since it uses less digits than its factorization.

2061000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686997.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2061000019 is about 45398.2380605239. The cubic root of 2061000019 is about 1272.6021870403.

The spelling of 2061000019 in words is "two billion, sixty-one million, nineteen", and thus it is an aban number and an uban number.