945821306461 has 8 divisors (see below), whose sum is σ = 978794186400. Its totient is φ = 912872316720.

The previous prime is 945821306449. The next prime is 945821306471. The reversal of 945821306461 is 164603128549.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 945821306461 - 2¹¹ = 945821304413 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 (945821306471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5891971 + ... + 6050368.

It is an arithmetic number, because the mean of its divisors is an integer number (122349273300).

Almost surely, 2^945821306461 is an apocalyptic number.

It is an amenable number.

945821306461 is a deficient number, since it is larger than the sum of its proper divisors (32972879939).

945821306461 is a wasteful number, since it uses less digits than its factorization.

945821306461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945099.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 945821306461 in words is "nine hundred forty-five billion, eight hundred twenty-one million, three hundred six thousand, four hundred sixty-one".