1906992475 has 12 divisors (see below), whose sum is σ = 2489127640. Its totient is φ = 1445299200.

The previous prime is 1906992473. The next prime is 1906992481. The reversal of 1906992475 is 5742996091.

It is not a de Polignac number, because 1906992475 - 2¹ = 1906992473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1906992473) 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 in 11 ways as a sum of consecutive naturals, for example, 2006886 + ... + 2007835.

Almost surely, 2^1906992475 is an apocalyptic number.

1906992475 is a deficient number, since it is larger than the sum of its proper divisors (582135165).

1906992475 is a wasteful number, since it uses less digits than its factorization.

1906992475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014750 (or 4014745 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 1906992475 is about 43669.1249626095. The cubic root of 1906992475 is about 1240.0798758380.

The spelling of 1906992475 in words is "one billion, nine hundred six million, nine hundred ninety-two thousand, four hundred seventy-five".