1906476065 has 16 divisors (see below), whose sum is σ = 2464671888. Its totient is φ = 1407334656.

The previous prime is 1906476059. The next prime is 1906476073. The reversal of 1906476065 is 5606746091.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 430687009 + 1475789056 = 20753^2 + 38416^2 .

It is not a de Polignac number, because 1906476065 - 2¹² = 1906471969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304547 + ... + 310743.

It is an arithmetic number, because the mean of its divisors is an integer number (154041993).

Almost surely, 2^1906476065 is an apocalyptic number.

It is an amenable number.

1906476065 is a deficient number, since it is larger than the sum of its proper divisors (558195823).

1906476065 is a wasteful number, since it uses less digits than its factorization.

1906476065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1906476065 is about 43663.2118035309. The cubic root of 1906476065 is about 1239.9679286277.

The spelling of 1906476065 in words is "one billion, nine hundred six million, four hundred seventy-six thousand, sixty-five".