1319106641 has 2 divisors, whose sum is σ = 1319106642. Its totient is φ = 1319106640.

The previous prime is 1319106617. The next prime is 1319106643. The reversal of 1319106641 is 1466019131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1281640000 + 37466641 = 35800^2 + 6121^2 .

It is an emirp because it is prime and its reverse (1466019131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1319106641 - 2¹⁰ = 1319105617 is a prime.

Together with 1319106643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1319106598 and 1319106607.

It is not a weakly prime, because it can be changed into another prime (1319106643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659553320 + 659553321.

It is an arithmetic number, because the mean of its divisors is an integer number (659553321).

Almost surely, 2^1319106641 is an apocalyptic number.

It is an amenable number.

1319106641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319106641 is an equidigital number, since it uses as much as digits as its factorization.

1319106641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1319106641 is about 36319.5077196814. The cubic root of 1319106641 is about 1096.7137848749.

The spelling of 1319106641 in words is "one billion, three hundred nineteen million, one hundred six thousand, six hundred forty-one".