4202201550397 has 2 divisors, whose sum is σ = 4202201550398. Its totient is φ = 4202201550396.

The previous prime is 4202201550383. The next prime is 4202201550401. The reversal of 4202201550397 is 7930551022024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120660463481 + 81541086916 = 2029941^2 + 285554^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202201550397 - 2¹⁹ = 4202201026109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202201550377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101100775198 + 2101100775199.

It is an arithmetic number, because the mean of its divisors is an integer number (2101100775199).

Almost surely, 2^{4202201550397} is an apocalyptic number.

It is an amenable number.

4202201550397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202201550397 is an equidigital number, since it uses as much as digits as its factorization.

4202201550397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 4202201550397 in words is "four trillion, two hundred two billion, two hundred one million, five hundred fifty thousand, three hundred ninety-seven".