60351626981 has 2 divisors, whose sum is σ = 60351626982. Its totient is φ = 60351626980.

The previous prime is 60351626921. The next prime is 60351626983. The reversal of 60351626981 is 18962615306.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55220770081 + 5130856900 = 234991^2 + 71630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60351626981 is a prime.

It is a super-2 number, since 2×60351626981² (a number of 22 digits) contains 22 as substring.

Together with 60351626983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60351626983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30175813490 + 30175813491.

It is an arithmetic number, because the mean of its divisors is an integer number (30175813491).

Almost surely, 2^60351626981 is an apocalyptic number.

It is an amenable number.

60351626981 is a deficient number, since it is larger than the sum of its proper divisors (1).

60351626981 is an equidigital number, since it uses as much as digits as its factorization.

60351626981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 60351626981 in words is "sixty billion, three hundred fifty-one million, six hundred twenty-six thousand, nine hundred eighty-one".