881973349 has 2 divisors, whose sum is σ = 881973350. Its totient is φ = 881973348.

The previous prime is 881973347. The next prime is 881973353. The reversal of 881973349 is 943379188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807582724 + 74390625 = 28418^2 + 8625^2 .

It is a cyclic number.

It is not a de Polignac number, because 881973349 - 2¹ = 881973347 is a prime.

Together with 881973347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 881973296 and 881973305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881973347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440986674 + 440986675.

It is an arithmetic number, because the mean of its divisors is an integer number (440986675).

Almost surely, 2^881973349 is an apocalyptic number.

It is an amenable number.

881973349 is a deficient number, since it is larger than the sum of its proper divisors (1).

881973349 is an equidigital number, since it uses as much as digits as its factorization.

881973349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 881973349 is about 29698.0361135210. The cubic root of 881973349 is about 958.9997354154. Note that the first 3 decimals are identical.

The spelling of 881973349 in words is "eight hundred eighty-one million, nine hundred seventy-three thousand, three hundred forty-nine".