6971057945 has 8 divisors (see below), whose sum is σ = 8365869960. Its totient is φ = 5576446080.

The previous prime is 6971057939. The next prime is 6971057959. The reversal of 6971057945 is 5497501796.

It can be written as a sum of positive squares in 4 ways, for example, as 2437594384 + 4533463561 = 49372^2 + 67331^2 .

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

It is not a de Polignac number, because 6971057945 - 2¹⁰ = 6971056921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41975 + ... + 125315.

It is an arithmetic number, because the mean of its divisors is an integer number (1045733745).

Almost surely, 2^6971057945 is an apocalyptic number.

It is an amenable number.

6971057945 is a deficient number, since it is larger than the sum of its proper divisors (1394812015).

6971057945 is a wasteful number, since it uses less digits than its factorization.

6971057945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100075.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 6971057945 is about 83492.8616409810. The cubic root of 6971057945 is about 1910.2911524031.

The spelling of 6971057945 in words is "six billion, nine hundred seventy-one million, fifty-seven thousand, nine hundred forty-five".