1675513979 has 2 divisors, whose sum is σ = 1675513980. Its totient is φ = 1675513978.

The previous prime is 1675513967. The next prime is 1675513981. The reversal of 1675513979 is 9793155761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1675513979 - 2¹² = 1675509883 is a prime.

Together with 1675513981, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1675513979.

It is not a weakly prime, because it can be changed into another prime (1675513379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837756989 + 837756990.

It is an arithmetic number, because the mean of its divisors is an integer number (837756990).

Almost surely, 2^1675513979 is an apocalyptic number.

1675513979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675513979 is an equidigital number, since it uses as much as digits as its factorization.

1675513979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1786050, while the sum is 53.

The square root of 1675513979 is about 40933.0426306181. The cubic root of 1675513979 is about 1187.7253299313.

The spelling of 1675513979 in words is "one billion, six hundred seventy-five million, five hundred thirteen thousand, nine hundred seventy-nine".