1179098639 has 2 divisors, whose sum is σ = 1179098640. Its totient is φ = 1179098638.

The previous prime is 1179098603. The next prime is 1179098653. The reversal of 1179098639 is 9368909711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1179098639 - 2²⁸ = 910663183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1179098659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589549319 + 589549320.

It is an arithmetic number, because the mean of its divisors is an integer number (589549320).

Almost surely, 2^1179098639 is an apocalyptic number.

1179098639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179098639 is an equidigital number, since it uses as much as digits as its factorization.

1179098639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 1179098639 is about 34338.0057516449. The cubic root of 1179098639 is about 1056.4526723632.

The spelling of 1179098639 in words is "one billion, one hundred seventy-nine million, ninety-eight thousand, six hundred thirty-nine".