1896737641 has 2 divisors, whose sum is σ = 1896737642. Its totient is φ = 1896737640.

The previous prime is 1896737629. The next prime is 1896737653. The reversal of 1896737641 is 1467376981.

It is a balanced prime because it is at equal distance from previous prime (1896737629) and next prime (1896737653).

It can be written as a sum of positive squares in only one way, i.e., 1507070041 + 389667600 = 38821^2 + 19740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896737641 - 2¹¹ = 1896735593 is a prime.

It is a super-2 number, since 2×1896737641² = 7195227357572489762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1896737621) 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 as a sum of consecutive naturals, namely, 948368820 + 948368821.

It is an arithmetic number, because the mean of its divisors is an integer number (948368821).

Almost surely, 2^1896737641 is an apocalyptic number.

1896737641 is the 25145-th hex number.

It is an amenable number.

1896737641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896737641 is an equidigital number, since it uses as much as digits as its factorization.

1896737641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 52.

The square root of 1896737641 is about 43551.5515337858. The cubic root of 1896737641 is about 1237.8530401909.

The spelling of 1896737641 in words is "one billion, eight hundred ninety-six million, seven hundred thirty-seven thousand, six hundred forty-one".