1890219057355 has 32 divisors (see below), whose sum is σ = 2615270587200. Its totient is φ = 1301823516672.

The previous prime is 1890219057343. The next prime is 1890219057359. The reversal of 1890219057355 is 5537509120981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1890219057355 - 2²⁷ = 1890084839627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1890219057296 and 1890219057305.

It is not an unprimeable number, because it can be changed into a prime (1890219057359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20132722 + ... + 20226391.

It is an arithmetic number, because the mean of its divisors is an integer number (81727205850).

Almost surely, 2^{1890219057355} is an apocalyptic number.

1890219057355 is a deficient number, since it is larger than the sum of its proper divisors (725051529845).

1890219057355 is a wasteful number, since it uses less digits than its factorization.

1890219057355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40359183.

The product of its (nonzero) digits is 3402000, while the sum is 55.

The spelling of 1890219057355 in words is "one trillion, eight hundred ninety billion, two hundred nineteen million, fifty-seven thousand, three hundred fifty-five".