1416570749221 has 2 divisors, whose sum is σ = 1416570749222. Its totient is φ = 1416570749220.

The previous prime is 1416570749137. The next prime is 1416570749249. The reversal of 1416570749221 is 1229470756141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1405860776100 + 10709973121 = 1185690^2 + 103489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416570749221 - 2⁷ = 1416570749093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1416570749281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708285374610 + 708285374611.

It is an arithmetic number, because the mean of its divisors is an integer number (708285374611).

Almost surely, 2^{1416570749221} is an apocalyptic number.

It is an amenable number.

1416570749221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416570749221 is an equidigital number, since it uses as much as digits as its factorization.

1416570749221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 1416570749221 in words is "one trillion, four hundred sixteen billion, five hundred seventy million, seven hundred forty-nine thousand, two hundred twenty-one".