1882981270157 has 4 divisors (see below), whose sum is σ = 2027825983260. Its totient is φ = 1738136557056.

The previous prime is 1882981270111. The next prime is 1882981270189. The reversal of 1882981270157 is 7510721892881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333406927396 + 1549574342761 = 577414^2 + 1244819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1882981270157 - 2¹⁰ = 1882981269133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1882981270096 and 1882981270105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882981200157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72422356532 + ... + 72422356557.

It is an arithmetic number, because the mean of its divisors is an integer number (506956495815).

Almost surely, 2^{1882981270157} is an apocalyptic number.

It is an amenable number.

1882981270157 is a deficient number, since it is larger than the sum of its proper divisors (144844713103).

1882981270157 is a wasteful number, since it uses less digits than its factorization.

1882981270157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144844713102.

The product of its (nonzero) digits is 4515840, while the sum is 59.

The spelling of 1882981270157 in words is "one trillion, eight hundred eighty-two billion, nine hundred eighty-one million, two hundred seventy thousand, one hundred fifty-seven".