1379371601 has 2 divisors, whose sum is σ = 1379371602. Its totient is φ = 1379371600.

The previous prime is 1379371577. The next prime is 1379371603. The reversal of 1379371601 is 1061739731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763140625 + 616230976 = 27625^2 + 24824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379371601 - 2³⁰ = 305629777 is a prime.

It is a Sophie Germain prime.

Together with 1379371603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1379371603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689685800 + 689685801.

It is an arithmetic number, because the mean of its divisors is an integer number (689685801).

Almost surely, 2^1379371601 is an apocalyptic number.

It is an amenable number.

1379371601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379371601 is an equidigital number, since it uses as much as digits as its factorization.

1379371601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 1379371601 is about 37139.8923127141. The cubic root of 1379371601 is about 1113.1672656692.

The spelling of 1379371601 in words is "one billion, three hundred seventy-nine million, three hundred seventy-one thousand, six hundred one".