4145521607 has 2 divisors, whose sum is σ = 4145521608. Its totient is φ = 4145521606.

The previous prime is 4145521577. The next prime is 4145521643. The reversal of 4145521607 is 7061255414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4145521607 - 2¹⁰ = 4145520583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145521687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072760803 + 2072760804.

It is an arithmetic number, because the mean of its divisors is an integer number (2072760804).

Almost surely, 2^4145521607 is an apocalyptic number.

4145521607 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145521607 is an equidigital number, since it uses as much as digits as its factorization.

4145521607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 4145521607 is about 64385.7251803534. The cubic root of 4145521607 is about 1606.4223126079.

The spelling of 4145521607 in words is "four billion, one hundred forty-five million, five hundred twenty-one thousand, six hundred seven".