4451436061 has 4 divisors (see below), whose sum is σ = 4460968512. Its totient is φ = 4441903612.

The previous prime is 4451436053. The next prime is 4451436089. The reversal of 4451436061 is 1606341544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4451436061 - 2³ = 4451436053 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 (4451436761) 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, 4765525 + ... + 4766458.

It is an arithmetic number, because the mean of its divisors is an integer number (1115242128).

Almost surely, 2^4451436061 is an apocalyptic number.

It is an amenable number.

4451436061 is a deficient number, since it is larger than the sum of its proper divisors (9532451).

4451436061 is an equidigital number, since it uses as much as digits as its factorization.

4451436061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532450.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4451436061 is about 66719.0831846482. The cubic root of 4451436061 is about 1645.0030716584.

The spelling of 4451436061 in words is "four billion, four hundred fifty-one million, four hundred thirty-six thousand, sixty-one".