1343432644 has 6 divisors (see below), whose sum is σ = 2351007134. Its totient is φ = 671716320.

The previous prime is 1343432591. The next prime is 1343432653. The reversal of 1343432644 is 4462343431.

It can be written as a sum of positive squares in only one way, i.e., 1161991744 + 181440900 = 34088^2 + 13470^2 .

It is a super-2 number, since 2×1343432644² = 3609622537929661472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167929077 + ... + 167929084.

Almost surely, 2^1343432644 is an apocalyptic number.

It is an amenable number.

1343432644 is a deficient number, since it is larger than the sum of its proper divisors (1007574490).

1343432644 is a wasteful number, since it uses less digits than its factorization.

1343432644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335858165 (or 335858163 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

The square root of 1343432644 is about 36652.8667910165. The cubic root of 1343432644 is about 1103.4143617733.

The spelling of 1343432644 in words is "one billion, three hundred forty-three million, four hundred thirty-two thousand, six hundred forty-four".