1163420473 has 4 divisors (see below), whose sum is σ = 1164859380. Its totient is φ = 1161981568.

The previous prime is 1163420471. The next prime is 1163420507. The reversal of 1163420473 is 3740243611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 946977529 + 216442944 = 30773^2 + 14712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163420473 - 2¹ = 1163420471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163420471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718240 + ... + 719857.

It is an arithmetic number, because the mean of its divisors is an integer number (291214845).

Almost surely, 2^1163420473 is an apocalyptic number.

It is an amenable number.

1163420473 is a deficient number, since it is larger than the sum of its proper divisors (1438907).

1163420473 is an equidigital number, since it uses as much as digits as its factorization.

1163420473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438906.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1163420473 is about 34108.9500424742. The cubic root of 1163420473 is about 1051.7493056465.

The spelling of 1163420473 in words is "one billion, one hundred sixty-three million, four hundred twenty thousand, four hundred seventy-three".