1097749862 has 16 divisors (see below), whose sum is σ = 1797133392. Its totient is φ = 498750720.

The previous prime is 1097749843. The next prime is 1097749879. The reversal of 1097749862 is 2689477901.

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, 44318 + ... + 64494.

It is an arithmetic number, because the mean of its divisors is an integer number (112320837).

Almost surely, 2^1097749862 is an apocalyptic number.

1097749862 is a deficient number, since it is larger than the sum of its proper divisors (699383530).

1097749862 is a wasteful number, since it uses less digits than its factorization.

1097749862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22663.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 1097749862 is about 33132.3084314993. The cubic root of 1097749862 is about 1031.5757644495.

The spelling of 1097749862 in words is "one billion, ninety-seven million, seven hundred forty-nine thousand, eight hundred sixty-two".