170473749347 has 16 divisors (see below), whose sum is σ = 191022354432. Its totient is φ = 150768061920.

The previous prime is 170473749331. The next prime is 170473749359. The reversal of 170473749347 is 743947374071.

It is a cyclic number.

It is not a de Polignac number, because 170473749347 - 2⁴ = 170473749331 is a prime.

It is a super-2 number, since 2×170473749347² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 170473749292 and 170473749301.

It is not an unprimeable number, because it can be changed into a prime (170473749317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3771998 + ... + 3816924.

It is an arithmetic number, because the mean of its divisors is an integer number (11938897152).

Almost surely, 2^170473749347 is an apocalyptic number.

170473749347 is a deficient number, since it is larger than the sum of its proper divisors (20548605085).

170473749347 is a wasteful number, since it uses less digits than its factorization.

170473749347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54298.

The product of its (nonzero) digits is 12446784, while the sum is 56.

The spelling of 170473749347 in words is "one hundred seventy billion, four hundred seventy-three million, seven hundred forty-nine thousand, three hundred forty-seven".