1887450713 has 2 divisors, whose sum is σ = 1887450714. Its totient is φ = 1887450712.

The previous prime is 1887450707. The next prime is 1887450739. The reversal of 1887450713 is 3170547881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801832704 + 85618009 = 42448^2 + 9253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1887450713 - 2¹⁶ = 1887385177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1887459713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943725356 + 943725357.

It is an arithmetic number, because the mean of its divisors is an integer number (943725357).

Almost surely, 2^1887450713 is an apocalyptic number.

It is an amenable number.

1887450713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1887450713 is an equidigital number, since it uses as much as digits as its factorization.

1887450713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 1887450713 is about 43444.8007591242. The cubic root of 1887450713 is about 1235.8294488667.

The spelling of 1887450713 in words is "one billion, eight hundred eighty-seven million, four hundred fifty thousand, seven hundred thirteen".