424345946661 has 128 divisors (see below), whose sum is σ = 799737200640. Its totient is φ = 216424203264.

The previous prime is 424345946639. The next prime is 424345946671. The reversal of 424345946661 is 166649543424.

424345946661 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 424345946661 - 2¹⁰ = 424345945637 is a prime.

It is a super-4 number, since 4×424345946661⁴ (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424345946598 and 424345946607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424345946671) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9562621 + ... + 9606893.

It is an arithmetic number, because the mean of its divisors is an integer number (6247946880).

Almost surely, 2^424345946661 is an apocalyptic number.

It is an amenable number.

424345946661 is a deficient number, since it is larger than the sum of its proper divisors (375391253979).

424345946661 is a wasteful number, since it uses less digits than its factorization.

424345946661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44432 (or 44426 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 424345946661 in words is "four hundred twenty-four billion, three hundred forty-five million, nine hundred forty-six thousand, six hundred sixty-one".