1573827839953 has 2 divisors, whose sum is σ = 1573827839954. Its totient is φ = 1573827839952.

The previous prime is 1573827839917. The next prime is 1573827840001. The reversal of 1573827839953 is 3599387283751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1353855583809 + 219972256144 = 1163553^2 + 469012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1573827839953 - 2²⁵ = 1573794285521 is a prime.

It is a super-2 number, since 2×1573827839953² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1573827839653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786913919976 + 786913919977.

It is an arithmetic number, because the mean of its divisors is an integer number (786913919977).

Almost surely, 2^{1573827839953} is an apocalyptic number.

It is an amenable number.

1573827839953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1573827839953 is an equidigital number, since it uses as much as digits as its factorization.

1573827839953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 342921600, while the sum is 70.

The spelling of 1573827839953 in words is "one trillion, five hundred seventy-three billion, eight hundred twenty-seven million, eight hundred thirty-nine thousand, nine hundred fifty-three".