2735215021 has 32 divisors (see below), whose sum is σ = 3461391360. Its totient is φ = 2099520000.

The previous prime is 2735214997. The next prime is 2735215031. The reversal of 2735215021 is 1205125372.

It is a 5-Lehmer number, since φ(2735215021) divides (2735215021-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 2735215021 - 2¹⁵ = 2735182253 is a prime.

It is a super-2 number, since 2×2735215021² = 14962802422208060882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2735215031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1873990 + ... + 1875448.

It is an arithmetic number, because the mean of its divisors is an integer number (108168480).

Almost surely, 2^2735215021 is an apocalyptic number.

It is an amenable number.

2735215021 is a deficient number, since it is larger than the sum of its proper divisors (726176339).

2735215021 is a wasteful number, since it uses less digits than its factorization.

2735215021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2735215021 is about 52299.2831786440. The cubic root of 2735215021 is about 1398.5043587050.

The spelling of 2735215021 in words is "two billion, seven hundred thirty-five million, two hundred fifteen thousand, twenty-one".