464152447 has 4 divisors (see below), whose sum is σ = 506348136. Its totient is φ = 421956760.

The previous prime is 464152439. The next prime is 464152471. The reversal of 464152447 is 744251464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 464152447 - 2³ = 464152439 is a prime.

It is a super-3 number, since 3×464152447³ (a number of 27 digits) contains 333 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 (464152427) 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, 21097828 + ... + 21097849.

It is an arithmetic number, because the mean of its divisors is an integer number (126587034).

Almost surely, 2^464152447 is an apocalyptic number.

464152447 is a deficient number, since it is larger than the sum of its proper divisors (42195689).

464152447 is a wasteful number, since it uses less digits than its factorization.

464152447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42195688.

The product of its digits is 107520, while the sum is 37.

The square root of 464152447 is about 21544.1975250878. The cubic root of 464152447 is about 774.2601038320.

The spelling of 464152447 in words is "four hundred sixty-four million, one hundred fifty-two thousand, four hundred forty-seven".