207220465481 has 2 divisors, whose sum is σ = 207220465482. Its totient is φ = 207220465480.

The previous prime is 207220465457. The next prime is 207220465513. The reversal of 207220465481 is 184564022702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104109475600 + 103110989881 = 322660^2 + 321109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207220465481 is a prime.

It is a super-2 number, since 2×207220465481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (207220465411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103610232740 + 103610232741.

It is an arithmetic number, because the mean of its divisors is an integer number (103610232741).

Almost surely, 2^207220465481 is an apocalyptic number.

It is an amenable number.

207220465481 is a deficient number, since it is larger than the sum of its proper divisors (1).

207220465481 is an equidigital number, since it uses as much as digits as its factorization.

207220465481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 207220465481 in words is "two hundred seven billion, two hundred twenty million, four hundred sixty-five thousand, four hundred eighty-one".