1890775201 has 12 divisors (see below), whose sum is σ = 2200369860. Its totient is φ = 1620003840.

The previous prime is 1890775199. The next prime is 1890775307. The reversal of 1890775201 is 1025770981.

It can be written as a sum of positive squares in 2 ways, for example, as 1128960000 + 761815201 = 33600^2 + 27601^2 .

It is not a de Polignac number, because 1890775201 - 2¹ = 1890775199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1890775501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142665 + ... + 155353.

It is an arithmetic number, because the mean of its divisors is an integer number (183364155).

Almost surely, 2^1890775201 is an apocalyptic number.

It is an amenable number.

1890775201 is a deficient number, since it is larger than the sum of its proper divisors (309594659).

1890775201 is a wasteful number, since it uses less digits than its factorization.

1890775201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15744 (or 15737 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 1890775201 is about 43483.0449830736. The cubic root of 1890775201 is about 1236.5546051695.

The spelling of 1890775201 in words is "one billion, eight hundred ninety million, seven hundred seventy-five thousand, two hundred one".