1906196801 has 2 divisors, whose sum is σ = 1906196802. Its totient is φ = 1906196800.

The previous prime is 1906196779. The next prime is 1906196807. The reversal of 1906196801 is 1086916091.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1751841025 + 154355776 = 41855^2 + 12424^2 .

It is an emirp because it is prime and its reverse (1086916091) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1089619061 and 1609169801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1906196801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906196807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953098400 + 953098401.

It is an arithmetic number, because the mean of its divisors is an integer number (953098401).

Almost surely, 2^1906196801 is an apocalyptic number.

It is an amenable number.

1906196801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906196801 is an equidigital number, since it uses as much as digits as its factorization.

1906196801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1906196801 is about 43660.0137540061. The cubic root of 1906196801 is about 1239.9073814364.

The spelling of 1906196801 in words is "one billion, nine hundred six million, one hundred ninety-six thousand, eight hundred one".