1401673079 has 2 divisors, whose sum is σ = 1401673080. Its totient is φ = 1401673078.

The previous prime is 1401673019. The next prime is 1401673123. The reversal of 1401673079 is 9703761041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401673079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401673019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700836539 + 700836540.

It is an arithmetic number, because the mean of its divisors is an integer number (700836540).

Almost surely, 2^1401673079 is an apocalyptic number.

1401673079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401673079 is an equidigital number, since it uses as much as digits as its factorization.

1401673079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1401673079 is about 37438.9246506894. The cubic root of 1401673079 is about 1119.1343968179.

The spelling of 1401673079 in words is "one billion, four hundred one million, six hundred seventy-three thousand, seventy-nine".