1906948313 has 2 divisors, whose sum is σ = 1906948314. Its totient is φ = 1906948312.

The previous prime is 1906948301. The next prime is 1906948369. The reversal of 1906948313 is 3138496091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440733849 + 466214464 = 37957^2 + 21592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906948313 - 2¹² = 1906944217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906948013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953474156 + 953474157.

It is an arithmetic number, because the mean of its divisors is an integer number (953474157).

Almost surely, 2^1906948313 is an apocalyptic number.

It is an amenable number.

1906948313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906948313 is an equidigital number, since it uses as much as digits as its factorization.

1906948313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1906948313 is about 43668.6193163924. The cubic root of 1906948313 is about 1240.0703032027.

The spelling of 1906948313 in words is "one billion, nine hundred six million, nine hundred forty-eight thousand, three hundred thirteen".