2061370405 has 8 divisors (see below), whose sum is σ = 2475357984. Its totient is φ = 1647954000.

The previous prime is 2061370397. The next prime is 2061370453. The reversal of 2061370405 is 5040731602.

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

It is not a de Polignac number, because 2061370405 - 2³ = 2061370397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134811 + ... + 149320.

It is an arithmetic number, because the mean of its divisors is an integer number (309419748).

Almost surely, 2^2061370405 is an apocalyptic number.

It is an amenable number.

2061370405 is a deficient number, since it is larger than the sum of its proper divisors (413987579).

2061370405 is a wasteful number, since it uses less digits than its factorization.

2061370405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285587.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2061370405 is about 45402.3171765495. The cubic root of 2061370405 is about 1272.6784163458.

The spelling of 2061370405 in words is "two billion, sixty-one million, three hundred seventy thousand, four hundred five".