1906427417 has 2 divisors, whose sum is σ = 1906427418. Its totient is φ = 1906427416.

The previous prime is 1906427399. The next prime is 1906427441. The reversal of 1906427417 is 7147246091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296288016 + 610139401 = 36004^2 + 24701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906427417 - 2⁸ = 1906427161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906427917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953213708 + 953213709.

It is an arithmetic number, because the mean of its divisors is an integer number (953213709).

Almost surely, 2^1906427417 is an apocalyptic number.

It is an amenable number.

1906427417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906427417 is an equidigital number, since it uses as much as digits as its factorization.

1906427417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1906427417 is about 43662.6547177333. The cubic root of 1906427417 is about 1239.9573816865.

The spelling of 1906427417 in words is "one billion, nine hundred six million, four hundred twenty-seven thousand, four hundred seventeen".