464636914549 has 4 divisors (see below), whose sum is σ = 470518394560. Its totient is φ = 458755434540.

The previous prime is 464636914537. The next prime is 464636914571. The reversal of 464636914549 is 945419636464.

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 464636914549 - 2¹⁵ = 464636881781 is a prime.

It is a super-2 number, since 2×464636914549² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464636914589) 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, 2940739887 + ... + 2940740044.

It is an arithmetic number, because the mean of its divisors is an integer number (117629598640).

Almost surely, 2^464636914549 is an apocalyptic number.

It is an amenable number.

464636914549 is a deficient number, since it is larger than the sum of its proper divisors (5881480011).

464636914549 is an equidigital number, since it uses as much as digits as its factorization.

464636914549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881480010.

The product of its digits is 67184640, while the sum is 61.

The spelling of 464636914549 in words is "four hundred sixty-four billion, six hundred thirty-six million, nine hundred fourteen thousand, five hundred forty-nine".