1992719520553 has 2 divisors, whose sum is σ = 1992719520554. Its totient is φ = 1992719520552.

The previous prime is 1992719520551. The next prime is 1992719520557. The reversal of 1992719520553 is 3550259172991.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1684253692944 + 308465827609 = 1297788^2 + 555397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992719520553 - 2¹ = 1992719520551 is a prime.

It is a super-3 number, since 3×1992719520553³ (a number of 38 digits) contains 333 as substring.

Together with 1992719520551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1992719520551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996359760276 + 996359760277.

It is an arithmetic number, because the mean of its divisors is an integer number (996359760277).

Almost surely, 2^{1992719520553} is an apocalyptic number.

It is an amenable number.

1992719520553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992719520553 is an equidigital number, since it uses as much as digits as its factorization.

1992719520553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7654500, while the sum is 58.

The spelling of 1992719520553 in words is "one trillion, nine hundred ninety-two billion, seven hundred nineteen million, five hundred twenty thousand, five hundred fifty-three".