4396238591461 has 2 divisors, whose sum is σ = 4396238591462. Its totient is φ = 4396238591460.

The previous prime is 4396238591453. The next prime is 4396238591477. The reversal of 4396238591461 is 1641958326934.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4354129089025 + 42109502436 = 2086655^2 + 205206^2 .

It is a cyclic number.

It is not a de Polignac number, because 4396238591461 - 2³ = 4396238591453 is a prime.

It is a super-2 number, since 2×4396238591461² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4396238591461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4396238591761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198119295730 + 2198119295731.

It is an arithmetic number, because the mean of its divisors is an integer number (2198119295731).

Almost surely, 2^{4396238591461} is an apocalyptic number.

It is an amenable number.

4396238591461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4396238591461 is an equidigital number, since it uses as much as digits as its factorization.

4396238591461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 61.

The spelling of 4396238591461 in words is "four trillion, three hundred ninety-six billion, two hundred thirty-eight million, five hundred ninety-one thousand, four hundred sixty-one".