1097658379 has 2 divisors, whose sum is σ = 1097658380. Its totient is φ = 1097658378.

The previous prime is 1097658307. The next prime is 1097658403. The reversal of 1097658379 is 9738567901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1097658379 - 2¹³ = 1097650187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097659379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548829189 + 548829190.

It is an arithmetic number, because the mean of its divisors is an integer number (548829190).

Almost surely, 2^1097658379 is an apocalyptic number.

1097658379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097658379 is an equidigital number, since it uses as much as digits as its factorization.

1097658379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The square root of 1097658379 is about 33130.9278318613. The cubic root of 1097658379 is about 1031.5471075668.

The spelling of 1097658379 in words is "one billion, ninety-seven million, six hundred fifty-eight thousand, three hundred seventy-nine".