1047173343957 has 24 divisors (see below), whose sum is σ = 1628990587224. Its totient is φ = 644392894464.

The previous prime is 1047173343943. The next prime is 1047173343971. The reversal of 1047173343957 is 7593433717401.

1047173343957 is a `hidden beast` number, since 1 + 0 + 47 + 173 + 343 + 95 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1047173343943) and next prime (1047173343971).

It can be written as a sum of positive squares in 4 ways, for example, as 628038815121 + 419134528836 = 792489^2 + 647406^2 .

It is not a de Polignac number, because 1047173343957 - 2⁴ = 1047173343941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047173343157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3829093 + ... + 4093445.

It is an arithmetic number, because the mean of its divisors is an integer number (67874607801).

Almost surely, 2^{1047173343957} is an apocalyptic number.

It is an amenable number.

1047173343957 is a deficient number, since it is larger than the sum of its proper divisors (581817243267).

1047173343957 is a wasteful number, since it uses less digits than its factorization.

1047173343957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298229 (or 298226 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 54.

The spelling of 1047173343957 in words is "one trillion, forty-seven billion, one hundred seventy-three million, three hundred forty-three thousand, nine hundred fifty-seven".