946880180413 has 4 divisors (see below), whose sum is σ = 946975440348. Its totient is φ = 946784920480.

The previous prime is 946880180377. The next prime is 946880180417. The reversal of 946880180413 is 314081088649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314081088649 = 101 ⋅3109713749.

It can be written as a sum of positive squares in 2 ways, for example, as 382365379449 + 564514800964 = 618357^2 + 751342^2 .

It is a cyclic number.

It is not a de Polignac number, because 946880180413 - 2¹⁷ = 946880049341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946880180417) 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, 47615056 + ... + 47634937.

It is an arithmetic number, because the mean of its divisors is an integer number (236743860087).

Almost surely, 2^946880180413 is an apocalyptic number.

It is an amenable number.

946880180413 is a deficient number, since it is larger than the sum of its proper divisors (95259935).

946880180413 is an equidigital number, since it uses as much as digits as its factorization.

946880180413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95259934.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 946880180413 in words is "nine hundred forty-six billion, eight hundred eighty million, one hundred eighty thousand, four hundred thirteen".