4145461213 has 2 divisors, whose sum is σ = 4145461214. Its totient is φ = 4145461212.

The previous prime is 4145461183. The next prime is 4145461219. The reversal of 4145461213 is 3121645414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939194169 + 206267044 = 62763^2 + 14362^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145461213 - 2⁵ = 4145461181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145461219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072730606 + 2072730607.

It is an arithmetic number, because the mean of its divisors is an integer number (2072730607).

Almost surely, 2^4145461213 is an apocalyptic number.

It is an amenable number.

4145461213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145461213 is an equidigital number, since it uses as much as digits as its factorization.

4145461213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 4145461213 is about 64385.2561771715. The cubic root of 4145461213 is about 1606.4145115196.

The spelling of 4145461213 in words is "four billion, one hundred forty-five million, four hundred sixty-one thousand, two hundred thirteen".