982951811 has 2 divisors, whose sum is σ = 982951812. Its totient is φ = 982951810.

The previous prime is 982951709. The next prime is 982951817. The reversal of 982951811 is 118159289.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-982951811 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (982951817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491475905 + 491475906.

It is an arithmetic number, because the mean of its divisors is an integer number (491475906).

Almost surely, 2^982951811 is an apocalyptic number.

982951811 is a deficient number, since it is larger than the sum of its proper divisors (1).

982951811 is an equidigital number, since it uses as much as digits as its factorization.

982951811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 44.

The square root of 982951811 is about 31352.0623085627. The cubic root of 982951811 is about 994.2846675387.

The spelling of 982951811 in words is "nine hundred eighty-two million, nine hundred fifty-one thousand, eight hundred eleven".