2061354047 has 6 divisors (see below), whose sum is σ = 2151205368. Its totient is φ = 1971521684.

The previous prime is 2061354041. The next prime is 2061354067. The reversal of 2061354047 is 7404531602.

It is not a de Polignac number, because 2061354047 - 2²² = 2057159743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061354041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213008 + ... + 222474.

It is an arithmetic number, because the mean of its divisors is an integer number (358534228).

Almost surely, 2^2061354047 is an apocalyptic number.

2061354047 is a deficient number, since it is larger than the sum of its proper divisors (89851321).

2061354047 is an frugal number, since it uses more digits than its factorization.

2061354047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957 (or 9490 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2061354047 is about 45402.1370312015. The cubic root of 2061354047 is about 1272.6750498914.

Adding to 2061354047 its reverse (7404531602), we get a palindrome (9465885649).

The spelling of 2061354047 in words is "two billion, sixty-one million, three hundred fifty-four thousand, forty-seven".