4463666426 has 4 divisors (see below), whose sum is σ = 6695499642. Its totient is φ = 2231833212.

The previous prime is 4463666423. The next prime is 4463666461. The reversal of 4463666426 is 6246663644.

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

It can be written as a sum of positive squares in only one way, i.e., 4171222225 + 292444201 = 64585^2 + 17101^2 .

It is a super-2 number, since 2×4463666426² = 39848635925199226952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4463666423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115916605 + ... + 1115916608.

Almost surely, 2^4463666426 is an apocalyptic number.

4463666426 is a deficient number, since it is larger than the sum of its proper divisors (2231833216).

4463666426 is a wasteful number, since it uses less digits than its factorization.

4463666426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231833215.

The product of its digits is 2985984, while the sum is 47.

The square root of 4463666426 is about 66810.6759881982. The cubic root of 4463666426 is about 1646.5082481216.

The spelling of 4463666426 in words is "four billion, four hundred sixty-three million, six hundred sixty-six thousand, four hundred twenty-six".