464136069 has 4 divisors (see below), whose sum is σ = 618848096. Its totient is φ = 309424044.

The previous prime is 464136053. The next prime is 464136121. The reversal of 464136069 is 960631464.

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 not a de Polignac number, because 464136069 - 2⁴ = 464136053 is a prime.

It is a super-2 number, since 2×464136069² = 430844581093545522, which 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 (454136069) 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, 77356009 + ... + 77356014.

It is an arithmetic number, because the mean of its divisors is an integer number (154712024).

Almost surely, 2^464136069 is an apocalyptic number.

It is an amenable number.

464136069 is a deficient number, since it is larger than the sum of its proper divisors (154712027).

464136069 is a wasteful number, since it uses less digits than its factorization.

464136069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154712026.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 464136069 is about 21543.8174193897. The cubic root of 464136069 is about 774.2509969238.

The spelling of 464136069 in words is "four hundred sixty-four million, one hundred thirty-six thousand, sixty-nine".