64488429 has 12 divisors (see below), whose sum is σ = 98629596. Its totient is φ = 40463232.

The previous prime is 64488409. The next prime is 64488469. The reversal of 64488429 is 92488446.

It can be written as a sum of positive squares in 2 ways, for example, as 46212804 + 18275625 = 6798^2 + 4275^2 .

It is not a de Polignac number, because 64488429 - 2⁷ = 64488301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64488409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210594 + ... + 210899.

It is an arithmetic number, because the mean of its divisors is an integer number (8219133).

Almost surely, 2^64488429 is an apocalyptic number.

It is an amenable number.

64488429 is a deficient number, since it is larger than the sum of its proper divisors (34141167).

64488429 is a wasteful number, since it uses less digits than its factorization.

64488429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421516 (or 421513 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 64488429 is about 8030.4687907992. The cubic root of 64488429 is about 401.0149827633.

The spelling of 64488429 in words is "sixty-four million, four hundred eighty-eight thousand, four hundred twenty-nine".