4100505397 has 2 divisors, whose sum is σ = 4100505398. Its totient is φ = 4100505396.

The previous prime is 4100505359. The next prime is 4100505449. The reversal of 4100505397 is 7935050014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2758455441 + 1342049956 = 52521^2 + 36634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4100505397 is a prime.

It is a super-2 number, since 2×4100505397² = 33628289021652255218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4100505307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050252698 + 2050252699.

It is an arithmetic number, because the mean of its divisors is an integer number (2050252699).

Almost surely, 2^4100505397 is an apocalyptic number.

It is an amenable number.

4100505397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100505397 is an equidigital number, since it uses as much as digits as its factorization.

4100505397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 4100505397 is about 64035.1887402544. The cubic root of 4100505397 is about 1600.5864252740.

The spelling of 4100505397 in words is "four billion, one hundred million, five hundred five thousand, three hundred ninety-seven".