945038643371 has 4 divisors (see below), whose sum is σ = 945104730432. Its totient is φ = 944972556312.

The previous prime is 945038643359. The next prime is 945038643377. The reversal of 945038643371 is 173346830549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173346830549 = 17093 ⋅10141393.

It is a cyclic number.

It is not a de Polignac number, because 945038643371 - 2²² = 945034449067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945038643377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33022076 + ... + 33050681.

It is an arithmetic number, because the mean of its divisors is an integer number (236276182608).

Almost surely, 2^945038643371 is an apocalyptic number.

945038643371 is a deficient number, since it is larger than the sum of its proper divisors (66087061).

945038643371 is a wasteful number, since it uses less digits than its factorization.

945038643371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66087060.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 945038643371 in words is "nine hundred forty-five billion, thirty-eight million, six hundred forty-three thousand, three hundred seventy-one".