2113553533 has 8 divisors (see below), whose sum is σ = 2601296768. Its totient is φ = 1672262064.

The previous prime is 2113553461. The next prime is 2113553537. The reversal of 2113553533 is 3353553112.

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 2113553533 - 2¹³ = 2113545341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113553495 and 2113553504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113553537) 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, 11612841 + ... + 11613022.

It is an arithmetic number, because the mean of its divisors is an integer number (325162096).

Almost surely, 2^2113553533 is an apocalyptic number.

It is an amenable number.

2113553533 is a deficient number, since it is larger than the sum of its proper divisors (487743235).

2113553533 is a wasteful number, since it uses less digits than its factorization.

2113553533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23225883.

The product of its digits is 20250, while the sum is 31.

The square root of 2113553533 is about 45973.4002766817. The cubic root of 2113553533 is about 1283.3282388883.

The spelling of 2113553533 in words is "two billion, one hundred thirteen million, five hundred fifty-three thousand, five hundred thirty-three".