4465731641 has 4 divisors (see below), whose sum is σ = 5103693312. Its totient is φ = 3827769972.

The previous prime is 4465731631. The next prime is 4465731643. The reversal of 4465731641 is 1461375644.

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 4465731641 - 2⁶ = 4465731577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4465731643) 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, 318980825 + ... + 318980838.

It is an arithmetic number, because the mean of its divisors is an integer number (1275923328).

Almost surely, 2^4465731641 is an apocalyptic number.

It is an amenable number.

4465731641 is a deficient number, since it is larger than the sum of its proper divisors (637961671).

4465731641 is an equidigital number, since it uses as much as digits as its factorization.

4465731641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637961670.

The product of its digits is 241920, while the sum is 41.

The square root of 4465731641 is about 66826.1299268482. The cubic root of 4465731641 is about 1646.7621402452.

The spelling of 4465731641 in words is "four billion, four hundred sixty-five million, seven hundred thirty-one thousand, six hundred forty-one".