1492188208873 has 2 divisors, whose sum is σ = 1492188208874. Its totient is φ = 1492188208872.

The previous prime is 1492188208859. The next prime is 1492188208897. The reversal of 1492188208873 is 3788028812941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105637529049 + 386550679824 = 1051493^2 + 621732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492188208873 - 2⁹ = 1492188208361 is a prime.

It is a super-2 number, since 2×1492188208873² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1492188208843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746094104436 + 746094104437.

It is an arithmetic number, because the mean of its divisors is an integer number (746094104437).

Almost surely, 2^{1492188208873} is an apocalyptic number.

It is an amenable number.

1492188208873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492188208873 is an equidigital number, since it uses as much as digits as its factorization.

1492188208873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12386304, while the sum is 61.

The spelling of 1492188208873 in words is "one trillion, four hundred ninety-two billion, one hundred eighty-eight million, two hundred eight thousand, eight hundred seventy-three".