60353135981 has 4 divisors (see below), whose sum is σ = 60398824764. Its totient is φ = 60307447200.

The previous prime is 60353135971. The next prime is 60353136059. The reversal of 60353135981 is 18953135306.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22080474025 + 38272661956 = 148595^2 + 195634^2 .

It is a cyclic number.

It is not a de Polignac number, because 60353135981 - 2⁶ = 60353135917 is a prime.

It is a super-2 number, since 2×60353135981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60353135971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22842410 + ... + 22845051.

It is an arithmetic number, because the mean of its divisors is an integer number (15099706191).

Almost surely, 2^60353135981 is an apocalyptic number.

It is an amenable number.

60353135981 is a deficient number, since it is larger than the sum of its proper divisors (45688783).

60353135981 is a wasteful number, since it uses less digits than its factorization.

60353135981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45688782.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 60353135981 in words is "sixty billion, three hundred fifty-three million, one hundred thirty-five thousand, nine hundred eighty-one".