1906426201 has 2 divisors, whose sum is σ = 1906426202. Its totient is φ = 1906426200.

The previous prime is 1906426133. The next prime is 1906426211. The reversal of 1906426201 is 1026246091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1708995600 + 197430601 = 41340^2 + 14051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906426201 - 2²⁵ = 1872871769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906426211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953213100 + 953213101.

It is an arithmetic number, because the mean of its divisors is an integer number (953213101).

Almost surely, 2^1906426201 is an apocalyptic number.

It is an amenable number.

1906426201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906426201 is an equidigital number, since it uses as much as digits as its factorization.

1906426201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1906426201 is about 43662.6407927876. The cubic root of 1906426201 is about 1239.9571180540.

The spelling of 1906426201 in words is "one billion, nine hundred six million, four hundred twenty-six thousand, two hundred one".