946640046649 has 4 divisors (see below), whose sum is σ = 1032698232720. Its totient is φ = 860581860580.

The previous prime is 946640046647. The next prime is 946640046673.

946640046649 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 946640046649 - 2¹ = 946640046647 is a prime.

It is a super-2 number, since 2×946640046649² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 946640046593 and 946640046602.

It is not an unprimeable number, because it can be changed into a prime (946640046647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43029093019 + ... + 43029093040.

It is an arithmetic number, because the mean of its divisors is an integer number (258174558180).

Almost surely, 2^946640046649 is an apocalyptic number.

It is an amenable number.

946640046649 is a deficient number, since it is larger than the sum of its proper divisors (86058186071).

946640046649 is a wasteful number, since it uses less digits than its factorization.

946640046649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86058186070.

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 946640046649 in words is "nine hundred forty-six billion, six hundred forty million, forty-six thousand, six hundred forty-nine".