213450413445046 has 16 divisors (see below), whose sum is σ = 339241837679280. Its totient is φ = 100378406718720.

The previous prime is 213450413444987. The next prime is 213450413445053. The reversal of 213450413445046 is 640544314054312.

It is a happy number.

It is a super-2 number, since 2×213450413445046² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213450413444987 and 213450413445005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151408015 + ... + 2151507226.

It is an arithmetic number, because the mean of its divisors is an integer number (21202614854955).

Almost surely, 2^{213450413445046} is an apocalyptic number.

213450413445046 is a deficient number, since it is larger than the sum of its proper divisors (125791424234234).

213450413445046 is a wasteful number, since it uses less digits than its factorization.

213450413445046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302916719.

The product of its (nonzero) digits is 2764800, while the sum is 46.

Adding to 213450413445046 its reverse (640544314054312), we get a palindrome (853994727499358).

The spelling of 213450413445046 in words is "two hundred thirteen trillion, four hundred fifty billion, four hundred thirteen million, four hundred forty-five thousand, forty-six".