7042161601 has 2 divisors, whose sum is σ = 7042161602. Its totient is φ = 7042161600.

The previous prime is 7042161541. The next prime is 7042161649. The reversal of 7042161601 is 1061612407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4714195600 + 2327966001 = 68660^2 + 48249^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042161601 - 2¹⁹ = 7041637313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7042161601.

It is not a weakly prime, because it can be changed into another prime (7042162601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521080800 + 3521080801.

It is an arithmetic number, because the mean of its divisors is an integer number (3521080801).

Almost surely, 2^7042161601 is an apocalyptic number.

It is an amenable number.

7042161601 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042161601 is an equidigital number, since it uses as much as digits as its factorization.

7042161601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 7042161601 is about 83917.5881505182. The cubic root of 7042161601 is about 1916.7640806679.

The spelling of 7042161601 in words is "seven billion, forty-two million, one hundred sixty-one thousand, six hundred one".