64291429 has 4 divisors (see below), whose sum is σ = 64318284. Its totient is φ = 64264576.

The previous prime is 64291393. The next prime is 64291439. The reversal of 64291429 is 92419246.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28111204 + 36180225 = 5302^2 + 6015^2 .

It is a cyclic number.

It is not a de Polignac number, because 64291429 - 2⁹ = 64290917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64291439) 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, 9442 + ... + 14755.

It is an arithmetic number, because the mean of its divisors is an integer number (16079571).

Almost surely, 2^64291429 is an apocalyptic number.

It is an amenable number.

64291429 is a deficient number, since it is larger than the sum of its proper divisors (26855).

64291429 is a wasteful number, since it uses less digits than its factorization.

64291429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26854.

The product of its digits is 31104, while the sum is 37.

The square root of 64291429 is about 8018.1936245017. The cubic root of 64291429 is about 400.6062245154.

It can be divided in two parts, 6429 and 1429, that multiplied together give a triangular number (9187041 = T₄₂₈₆).

The spelling of 64291429 in words is "sixty-four million, two hundred ninety-one thousand, four hundred twenty-nine".