3643466426 has 4 divisors (see below), whose sum is σ = 5465199642. Its totient is φ = 1821733212.

The previous prime is 3643466399. The next prime is 3643466473. The reversal of 3643466426 is 6246643463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6246643463 = 127 ⋅49186169.

It can be written as a sum of positive squares in only one way, i.e., 2134532401 + 1508934025 = 46201^2 + 38845^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910866605 + ... + 910866608.

Almost surely, 2^3643466426 is an apocalyptic number.

3643466426 is a deficient number, since it is larger than the sum of its proper divisors (1821733216).

3643466426 is a wasteful number, since it uses less digits than its factorization.

3643466426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821733215.

The product of its digits is 1492992, while the sum is 44.

The square root of 3643466426 is about 60361.1334055284. The cubic root of 3643466426 is about 1538.7624884278.

The spelling of 3643466426 in words is "three billion, six hundred forty-three million, four hundred sixty-six thousand, four hundred twenty-six".