1396974011 has 2 divisors, whose sum is σ = 1396974012. Its totient is φ = 1396974010.

The previous prime is 1396973999. The next prime is 1396974013. The reversal of 1396974011 is 1104796931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1396974011 - 2¹⁰ = 1396972987 is a prime.

Together with 1396974013, 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 1396974011.

It is not a weakly prime, because it can be changed into another prime (1396974013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698487005 + 698487006.

It is an arithmetic number, because the mean of its divisors is an integer number (698487006).

Almost surely, 2^1396974011 is an apocalyptic number.

1396974011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396974011 is an equidigital number, since it uses as much as digits as its factorization.

1396974011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1396974011 is about 37376.1155151254. The cubic root of 1396974011 is about 1117.8823748742.

The spelling of 1396974011 in words is "one billion, three hundred ninety-six million, nine hundred seventy-four thousand, eleven".