1896272078551 has 2 divisors, whose sum is σ = 1896272078552. Its totient is φ = 1896272078550.

The previous prime is 1896272078513. The next prime is 1896272078563. The reversal of 1896272078551 is 1558702726981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1896272078551 - 2³⁹ = 1346516264663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1896272078551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896572078551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948136039275 + 948136039276.

It is an arithmetic number, because the mean of its divisors is an integer number (948136039276).

Almost surely, 2^{1896272078551} is an apocalyptic number.

1896272078551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896272078551 is an equidigital number, since it uses as much as digits as its factorization.

1896272078551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 1896272078551 in words is "one trillion, eight hundred ninety-six billion, two hundred seventy-two million, seventy-eight thousand, five hundred fifty-one".