4261644051 has 16 divisors (see below), whose sum is σ = 6497508864. Its totient is φ = 2433884544.

The previous prime is 4261644041. The next prime is 4261644091. The reversal of 4261644051 is 1504461624.

4261644051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4261644051 - 2¹¹ = 4261642003 is a prime.

It is a super-2 number, since 2×4261644051² = 36323220034847381202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4261644011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16150 + ... + 93723.

It is an arithmetic number, because the mean of its divisors is an integer number (406094304).

Almost surely, 2^4261644051 is an apocalyptic number.

4261644051 is a deficient number, since it is larger than the sum of its proper divisors (2235864813).

4261644051 is a wasteful number, since it uses less digits than its factorization.

4261644051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111730.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4261644051 is about 65281.2687606483. The cubic root of 4261644051 is about 1621.2838538637.

The spelling of 4261644051 in words is "four billion, two hundred sixty-one million, six hundred forty-four thousand, fifty-one".