974139011 has 2 divisors, whose sum is σ = 974139012. Its totient is φ = 974139010.

The previous prime is 974138969. The next prime is 974139017. The reversal of 974139011 is 110931479.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (110931479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974139011 - 2¹⁰ = 974137987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (974139017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487069505 + 487069506.

It is an arithmetic number, because the mean of its divisors is an integer number (487069506).

Almost surely, 2^974139011 is an apocalyptic number.

974139011 is a deficient number, since it is larger than the sum of its proper divisors (1).

974139011 is an equidigital number, since it uses as much as digits as its factorization.

974139011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 974139011 is about 31211.2000890706. The cubic root of 974139011 is about 991.3042738579.

The spelling of 974139011 in words is "nine hundred seventy-four million, one hundred thirty-nine thousand, eleven".