1379498089 has 2 divisors, whose sum is σ = 1379498090. Its totient is φ = 1379498088.

The previous prime is 1379498083. The next prime is 1379498147. The reversal of 1379498089 is 9808949731.

It is a happy number.

It is an a-pointer prime, because the next prime (1379498147) can be obtained adding 1379498089 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1348138089 + 31360000 = 36717^2 + 5600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379498089 - 2⁷ = 1379497961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1379498083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689749044 + 689749045.

It is an arithmetic number, because the mean of its divisors is an integer number (689749045).

Almost surely, 2^1379498089 is an apocalyptic number.

It is an amenable number.

1379498089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379498089 is an equidigital number, since it uses as much as digits as its factorization.

1379498089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 1379498089 is about 37141.5951326811. The cubic root of 1379498089 is about 1113.2012903409.

The spelling of 1379498089 in words is "one billion, three hundred seventy-nine million, four hundred ninety-eight thousand, eighty-nine".