356480450999 has 4 divisors (see below), whose sum is σ = 356481719664. Its totient is φ = 356479182336.

The previous prime is 356480450969. The next prime is 356480451023. The reversal of 356480450999 is 999054084653.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 999054084653 = 3011 ⋅331801423.

It is a cyclic number.

It is not a de Polignac number, because 356480450999 - 2²⁸ = 356212015543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356480450929) 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, 4187 + ... + 844380.

It is an arithmetic number, because the mean of its divisors is an integer number (89120429916).

Almost surely, 2^356480450999 is an apocalyptic number.

356480450999 is a deficient number, since it is larger than the sum of its proper divisors (1268665).

356480450999 is an equidigital number, since it uses as much as digits as its factorization.

356480450999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268664.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 356480450999 in words is "three hundred fifty-six billion, four hundred eighty million, four hundred fifty thousand, nine hundred ninety-nine".