491434182622 has 4 divisors (see below), whose sum is σ = 737151273936. Its totient is φ = 245717091310.

The previous prime is 491434182607. The next prime is 491434182637. The reversal of 491434182622 is 226281434194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226281434194 = 2 ⋅113140717097.

It is an interprime number because it is at equal distance from previous prime (491434182607) and next prime (491434182637).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122858545654 + ... + 122858545657.

It is an arithmetic number, because the mean of its divisors is an integer number (184287818484).

Almost surely, 2^491434182622 is an apocalyptic number.

491434182622 is a deficient number, since it is larger than the sum of its proper divisors (245717091314).

491434182622 is a wasteful number, since it uses less digits than its factorization.

491434182622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245717091313.

The product of its digits is 663552, while the sum is 46.

The spelling of 491434182622 in words is "four hundred ninety-one billion, four hundred thirty-four million, one hundred eighty-two thousand, six hundred twenty-two".