4270042061 has 2 divisors, whose sum is σ = 4270042062. Its totient is φ = 4270042060.

The previous prime is 4270042013. The next prime is 4270042087. The reversal of 4270042061 is 1602400724.

It is an a-pointer prime, because the next prime (4270042087) can be obtained adding 4270042061 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2517028900 + 1753013161 = 50170^2 + 41869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4270042061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4270042061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4270042961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135021030 + 2135021031.

It is an arithmetic number, because the mean of its divisors is an integer number (2135021031).

Almost surely, 2^4270042061 is an apocalyptic number.

It is an amenable number.

4270042061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4270042061 is an equidigital number, since it uses as much as digits as its factorization.

4270042061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4270042061 is about 65345.5588467954. The cubic root of 4270042061 is about 1622.3481242103.

Adding to 4270042061 its reverse (1602400724), we get a palindrome (5872442785).

The spelling of 4270042061 in words is "four billion, two hundred seventy million, forty-two thousand, sixty-one".