64069453 has 4 divisors (see below), whose sum is σ = 73222240. Its totient is φ = 54916668.

The previous prime is 64069427. The next prime is 64069469. The reversal of 64069453 is 35496046.

It is a happy number.

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 64069453 - 2²⁵ = 30515021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64069153) 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, 4576383 + ... + 4576396.

It is an arithmetic number, because the mean of its divisors is an integer number (18305560).

Almost surely, 2^64069453 is an apocalyptic number.

It is an amenable number.

64069453 is a deficient number, since it is larger than the sum of its proper divisors (9152787).

64069453 is an equidigital number, since it uses as much as digits as its factorization.

64069453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152786.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 64069453 is about 8004.3396354727. The cubic root of 64069453 is about 400.1446414408.

The spelling of 64069453 in words is "sixty-four million, sixty-nine thousand, four hundred fifty-three".