10737673981 has 2 divisors, whose sum is σ = 10737673982. Its totient is φ = 10737673980.

The previous prime is 10737673979. The next prime is 10737674053. The reversal of 10737673981 is 18937673701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7724652100 + 3013021881 = 87890^2 + 54891^2 .

It is an emirp because it is prime and its reverse (18937673701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10737673981 - 2¹ = 10737673979 is a prime.

It is a super-2 number, since 2×10737673981² (a number of 21 digits) contains 22 as substring.

Together with 10737673979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10737673931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5368836990 + 5368836991.

It is an arithmetic number, because the mean of its divisors is an integer number (5368836991).

Almost surely, 2^10737673981 is an apocalyptic number.

It is an amenable number.

10737673981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10737673981 is an equidigital number, since it uses as much as digits as its factorization.

10737673981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 10737673981 in words is "ten billion, seven hundred thirty-seven million, six hundred seventy-three thousand, nine hundred eighty-one".