945177372971894 has 4 divisors (see below), whose sum is σ = 1417766059457844. Its totient is φ = 472588686485946.

The previous prime is 945177372971861. The next prime is 945177372971983. The reversal of 945177372971894 is 498179273771549.

It is a semiprime because it is the product of two primes.

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, 236294343242972 + ... + 236294343242975.

It is an arithmetic number, because the mean of its divisors is an integer number (354441514864461).

Almost surely, 2^{945177372971894} is an apocalyptic number.

945177372971894 is a deficient number, since it is larger than the sum of its proper divisors (472588686485950).

945177372971894 is a wasteful number, since it uses less digits than its factorization.

945177372971894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472588686485949.

The product of its digits is 6721263360, while the sum is 83.

The spelling of 945177372971894 in words is "nine hundred forty-five trillion, one hundred seventy-seven billion, three hundred seventy-two million, nine hundred seventy-one thousand, eight hundred ninety-four".