1981033295 has 8 divisors (see below), whose sum is σ = 2378142096. Its totient is φ = 1584225216.

The previous prime is 1981033261. The next prime is 1981033303. The reversal of 1981033295 is 5923301891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1981033295 - 2¹⁰ = 1981032271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60422 + ... + 87251.

It is an arithmetic number, because the mean of its divisors is an integer number (297267762).

Almost surely, 2^1981033295 is an apocalyptic number.

1981033295 is a deficient number, since it is larger than the sum of its proper divisors (397108801).

1981033295 is a wasteful number, since it uses less digits than its factorization.

1981033295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150361.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1981033295 is about 44508.8001972644. The cubic root of 1981033295 is about 1255.9256346950.

The spelling of 1981033295 in words is "one billion, nine hundred eighty-one million, thirty-three thousand, two hundred ninety-five".