402201121341553 has 2 divisors, whose sum is σ = 402201121341554. Its totient is φ = 402201121341552.

The previous prime is 402201121341413. The next prime is 402201121341587. The reversal of 402201121341553 is 355143121102204.

It is an a-pointer prime, because the next prime (402201121341587) can be obtained adding 402201121341553 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397709807531569 + 4491313809984 = 19942663^2 + 2119272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402201121341553 is a prime.

It is not a weakly prime, because it can be changed into another prime (402201121341053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100560670776 + 201100560670777.

It is an arithmetic number, because the mean of its divisors is an integer number (201100560670777).

Almost surely, 2^{402201121341553} is an apocalyptic number.

It is an amenable number.

402201121341553 is a deficient number, since it is larger than the sum of its proper divisors (1).

402201121341553 is an equidigital number, since it uses as much as digits as its factorization.

402201121341553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 402201121341553 its reverse (355143121102204), we get a palindrome (757344242443757).

The spelling of 402201121341553 in words is "four hundred two trillion, two hundred one billion, one hundred twenty-one million, three hundred forty-one thousand, five hundred fifty-three".