101234774081489 has 2 divisors, whose sum is σ = 101234774081490. Its totient is φ = 101234774081488.

The previous prime is 101234774081387. The next prime is 101234774081591. The reversal of 101234774081489 is 984180477432101.

It is a balanced prime because it is at equal distance from previous prime (101234774081387) and next prime (101234774081591).

It can be written as a sum of positive squares in only one way, i.e., 97981945407889 + 3252828673600 = 9898583^2 + 1803560^2 .

It is a cyclic number.

It is not a de Polignac number, because 101234774081489 - 2⁴⁰ = 100135262453713 is a prime.

It is a super-2 number, since 2×101234774081489² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101234774071489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50617387040744 + 50617387040745.

It is an arithmetic number, because the mean of its divisors is an integer number (50617387040745).

Almost surely, 2^{101234774081489} is an apocalyptic number.

It is an amenable number.

101234774081489 is a deficient number, since it is larger than the sum of its proper divisors (1).

101234774081489 is an equidigital number, since it uses as much as digits as its factorization.

101234774081489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 101234774081489 in words is "one hundred one trillion, two hundred thirty-four billion, seven hundred seventy-four million, eighty-one thousand, four hundred eighty-nine".