9401971344575 has 6 divisors (see below), whose sum is σ = 11658444467304. Its totient is φ = 7521577075640.

The previous prime is 9401971344553. The next prime is 9401971344637. The reversal of 9401971344575 is 5754431791049.

It is not a de Polignac number, because 9401971344575 - 2¹⁸ = 9401971082431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188039426867 + ... + 188039426916.

It is an arithmetic number, because the mean of its divisors is an integer number (1943074077884).

Almost surely, 2^{9401971344575} is an apocalyptic number.

9401971344575 is a deficient number, since it is larger than the sum of its proper divisors (2256473122729).

9401971344575 is a wasteful number, since it uses less digits than its factorization.

9401971344575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376078853793 (or 376078853788 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 9401971344575 in words is "nine trillion, four hundred one billion, nine hundred seventy-one million, three hundred forty-four thousand, five hundred seventy-five".