213588403045 has 16 divisors (see below), whose sum is σ = 263132090928. Its totient is φ = 166338293760.

The previous prime is 213588402953. The next prime is 213588403051. The reversal of 213588403045 is 540304885312.

It can be written as a sum of positive squares in 8 ways, for example, as 367028964 + 213221374081 = 19158^2 + 461759^2 .

It is not a de Polignac number, because 213588403045 - 2¹⁷ = 213588271973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213588402992 and 213588403010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046244 + ... + 1233613.

It is an arithmetic number, because the mean of its divisors is an integer number (16445755683).

Almost surely, 2^213588403045 is an apocalyptic number.

It is an amenable number.

213588403045 is a deficient number, since it is larger than the sum of its proper divisors (49543687883).

213588403045 is a wasteful number, since it uses less digits than its factorization.

213588403045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280360.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 213588403045 in words is "two hundred thirteen billion, five hundred eighty-eight million, four hundred three thousand, forty-five".