412121663 has 2 divisors, whose sum is σ = 412121664. Its totient is φ = 412121662.

The previous prime is 412121557. The next prime is 412121729. The reversal of 412121663 is 366121214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412121663 - 2²⁰ = 411073087 is a prime.

It is a super-2 number, since 2×412121663² = 339688530227771138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412120663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206060831 + 206060832.

It is an arithmetic number, because the mean of its divisors is an integer number (206060832).

Almost surely, 2^412121663 is an apocalyptic number.

412121663 is a deficient number, since it is larger than the sum of its proper divisors (1).

412121663 is an equidigital number, since it uses as much as digits as its factorization.

412121663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 412121663 is about 20300.7798618674. The cubic root of 412121663 is about 744.1751229330.

Adding to 412121663 its reverse (366121214), we get a palindrome (778242877).

It can be divided in two parts, 41212 and 1663, that added together give a cube (42875 = 35³).

The spelling of 412121663 in words is "four hundred twelve million, one hundred twenty-one thousand, six hundred sixty-three".