1379820941 has 2 divisors, whose sum is σ = 1379820942. Its totient is φ = 1379820940.

The previous prime is 1379820919. The next prime is 1379820973. The reversal of 1379820941 is 1490289731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1336194916 + 43626025 = 36554^2 + 6605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379820941 - 2²⁶ = 1312712077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379820892 and 1379820901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379820341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689910470 + 689910471.

It is an arithmetic number, because the mean of its divisors is an integer number (689910471).

Almost surely, 2^1379820941 is an apocalyptic number.

It is an amenable number.

1379820941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379820941 is an equidigital number, since it uses as much as digits as its factorization.

1379820941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1379820941 is about 37145.9411107055. The cubic root of 1379820941 is about 1113.2881265683.

The spelling of 1379820941 in words is "one billion, three hundred seventy-nine million, eight hundred twenty thousand, nine hundred forty-one".