1097782933 has 18 divisors (see below), whose sum is σ = 1223771874. Its totient is φ = 983597472.

The previous prime is 1097782921. The next prime is 1097782937. The reversal of 1097782933 is 3392877901.

It can be written as a sum of positive squares in 3 ways, for example, as 56881764 + 1040901169 = 7542^2 + 32263^2 .

It is not a de Polignac number, because 1097782933 - 2²¹ = 1095685781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097782937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2619798 + ... + 2620216.

Almost surely, 2^1097782933 is an apocalyptic number.

1097782933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1097782933 is a deficient number, since it is larger than the sum of its proper divisors (125988941).

1097782933 is an frugal number, since it uses more digits than its factorization.

1097782933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 1097782933 is about 33132.8075025344. The cubic root of 1097782933 is about 1031.5861234881.

The spelling of 1097782933 in words is "one billion, ninety-seven million, seven hundred eighty-two thousand, nine hundred thirty-three".