60938221961 has 4 divisors (see below), whose sum is σ = 60938890512. Its totient is φ = 60937553412.

The previous prime is 60938221957. The next prime is 60938221973. The reversal of 60938221961 is 16912283906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 60938221961 - 2² = 60938221957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60938221901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170951 + ... + 388716.

It is an arithmetic number, because the mean of its divisors is an integer number (15234722628).

Almost surely, 2^60938221961 is an apocalyptic number.

It is an amenable number.

60938221961 is a deficient number, since it is larger than the sum of its proper divisors (668551).

60938221961 is a wasteful number, since it uses less digits than its factorization.

60938221961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668550.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 60938221961 in words is "sixty billion, nine hundred thirty-eight million, two hundred twenty-one thousand, nine hundred sixty-one".