2113643354 has 8 divisors (see below), whose sum is σ = 3356963028. Its totient is φ = 994655680.

The previous prime is 2113643321. The next prime is 2113643359. The reversal of 2113643354 is 4533463112.

It can be written as a sum of positive squares in 2 ways, for example, as 2095350625 + 18292729 = 45775^2 + 4277^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113643354.

It is not an unprimeable number, because it can be changed into a prime (2113643359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31082957 + ... + 31083024.

Almost surely, 2^2113643354 is an apocalyptic number.

2113643354 is a deficient number, since it is larger than the sum of its proper divisors (1243319674).

2113643354 is a wasteful number, since it uses less digits than its factorization.

2113643354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62166000.

The product of its digits is 25920, while the sum is 32.

The square root of 2113643354 is about 45974.3771464062. The cubic root of 2113643354 is about 1283.3464180971.

The spelling of 2113643354 in words is "two billion, one hundred thirteen million, six hundred forty-three thousand, three hundred fifty-four".