1673866953 has 12 divisors (see below), whose sum is σ = 2637608688. Its totient is φ = 1014464760.

The previous prime is 1673866927. The next prime is 1673866981. The reversal of 1673866953 is 3596683761.

1673866953 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1673866953 - 2¹⁴ = 1673850569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1673866953.

It is not an unprimeable number, because it can be changed into a prime (1673866913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8453775 + ... + 8453972.

It is an arithmetic number, because the mean of its divisors is an integer number (219800724).

Almost surely, 2^1673866953 is an apocalyptic number.

It is an amenable number.

1673866953 is a deficient number, since it is larger than the sum of its proper divisors (963741735).

1673866953 is a wasteful number, since it uses less digits than its factorization.

1673866953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907764 (or 16907761 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 1673866953 is about 40912.9191454240. The cubic root of 1673866953 is about 1187.3360253440.

The spelling of 1673866953 in words is "one billion, six hundred seventy-three million, eight hundred sixty-six thousand, nine hundred fifty-three".