4450420537 has 2 divisors, whose sum is σ = 4450420538. Its totient is φ = 4450420536.

The previous prime is 4450420519. The next prime is 4450420561. The reversal of 4450420537 is 7350240544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4293394576 + 157025961 = 65524^2 + 12531^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450420537 - 2¹⁵ = 4450387769 is a prime.

It is not a weakly prime, because it can be changed into another prime (4450420517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225210268 + 2225210269.

It is an arithmetic number, because the mean of its divisors is an integer number (2225210269).

Almost surely, 2^4450420537 is an apocalyptic number.

It is an amenable number.

4450420537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4450420537 is an equidigital number, since it uses as much as digits as its factorization.

4450420537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 4450420537 is about 66711.4723042446. The cubic root of 4450420537 is about 1644.8779684237.

The spelling of 4450420537 in words is "four billion, four hundred fifty million, four hundred twenty thousand, five hundred thirty-seven".