1346662426 has 4 divisors (see below), whose sum is σ = 2019993642. Its totient is φ = 673331212.

The previous prime is 1346662423. The next prime is 1346662453. The reversal of 1346662426 is 6242666431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6242666431 = 251 ⋅24871181.

It can be written as a sum of positive squares in only one way, i.e., 1342856025 + 3806401 = 36645^2 + 1951^2 .

It is not an unprimeable number, because it can be changed into a prime (1346662423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336665605 + ... + 336665608.

Almost surely, 2^1346662426 is an apocalyptic number.

1346662426 is a deficient number, since it is larger than the sum of its proper divisors (673331216).

1346662426 is an equidigital number, since it uses as much as digits as its factorization.

1346662426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673331215.

The product of its digits is 248832, while the sum is 40.

The square root of 1346662426 is about 36696.8994058081. The cubic root of 1346662426 is about 1104.2979033328.

The spelling of 1346662426 in words is "one billion, three hundred forty-six million, six hundred sixty-two thousand, four hundred twenty-six".