464072549421 has 16 divisors (see below), whose sum is σ = 666933615936. Its totient is φ = 285337522176.

The previous prime is 464072549419. The next prime is 464072549431. The reversal of 464072549421 is 124945270464.

It is not a de Polignac number, because 464072549421 - 2¹ = 464072549419 is a prime.

It is a super-2 number, since 2×464072549421² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464072549401) 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, 5070420 + ... + 5161133.

It is an arithmetic number, because the mean of its divisors is an integer number (41683350996).

Almost surely, 2^464072549421 is an apocalyptic number.

It is an amenable number.

464072549421 is a deficient number, since it is larger than the sum of its proper divisors (202861066515).

464072549421 is a wasteful number, since it uses less digits than its factorization.

464072549421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232732.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 464072549421 in words is "four hundred sixty-four billion, seventy-two million, five hundred forty-nine thousand, four hundred twenty-one".