1896290761 has 2 divisors, whose sum is σ = 1896290762. Its totient is φ = 1896290760.

The previous prime is 1896290741. The next prime is 1896290779. The reversal of 1896290761 is 1670926981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097663161 + 798627600 = 33131^2 + 28260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896290761 - 2⁷ = 1896290633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1896290731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948145380 + 948145381.

It is an arithmetic number, because the mean of its divisors is an integer number (948145381).

Almost surely, 2^1896290761 is an apocalyptic number.

It is an amenable number.

1896290761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896290761 is an equidigital number, since it uses as much as digits as its factorization.

1896290761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1896290761 is about 43546.4207599201. The cubic root of 1896290761 is about 1237.7558179564.

The spelling of 1896290761 in words is "one billion, eight hundred ninety-six million, two hundred ninety thousand, seven hundred sixty-one".