4002204312061 has 2 divisors, whose sum is σ = 4002204312062. Its totient is φ = 4002204312060.

The previous prime is 4002204311947. The next prime is 4002204312089. The reversal of 4002204312061 is 1602134022004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3999976000036 + 2228312025 = 1999994^2 + 47205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002204312061 - 2³³ = 3993614377469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002204310061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001102156030 + 2001102156031.

It is an arithmetic number, because the mean of its divisors is an integer number (2001102156031).

Almost surely, 2^{4002204312061} is an apocalyptic number.

It is an amenable number.

4002204312061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002204312061 is an equidigital number, since it uses as much as digits as its factorization.

4002204312061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4002204312061 its reverse (1602134022004), we get a palindrome (5604338334065).

The spelling of 4002204312061 in words is "four trillion, two billion, two hundred four million, three hundred twelve thousand, sixty-one".