2231472970945 has 16 divisors (see below), whose sum is σ = 2701128913920. Its totient is φ = 1769653512000.

The previous prime is 2231472970939. The next prime is 2231472970949. The reversal of 2231472970945 is 5490792741322.

It is not a de Polignac number, because 2231472970945 - 2³⁷ = 2094034017473 is a prime.

It is a super-3 number, since 3×2231472970945³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231472970949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2723526 + ... + 3446815.

It is an arithmetic number, because the mean of its divisors is an integer number (168820557120).

Almost surely, 2^{2231472970945} is an apocalyptic number.

It is an amenable number.

2231472970945 is a deficient number, since it is larger than the sum of its proper divisors (469655942975).

2231472970945 is a wasteful number, since it uses less digits than its factorization.

2231472970945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170976.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 2231472970945 in words is "two trillion, two hundred thirty-one billion, four hundred seventy-two million, nine hundred seventy thousand, nine hundred forty-five".