215747060450 has 12 divisors (see below), whose sum is σ = 401289532530. Its totient is φ = 86298824160.

The previous prime is 215747060447. The next prime is 215747060453. The reversal of 215747060450 is 54060747512.

215747060450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (215747060447) and next prime (215747060453).

It can be written as a sum of positive squares in 3 ways, for example, as 105949599001 + 109797461449 = 325499^2 + 331357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 215747060398 and 215747060407.

It is not an unprimeable number, because it can be changed into a prime (215747060453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2157470555 + ... + 2157470654.

Almost surely, 2^215747060450 is an apocalyptic number.

215747060450 is a deficient number, since it is larger than the sum of its proper divisors (185542472080).

215747060450 is a wasteful number, since it uses less digits than its factorization.

215747060450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314941221 (or 4314941216 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 215747060450 in words is "two hundred fifteen billion, seven hundred forty-seven million, sixty thousand, four hundred fifty".