60521622461 has 4 divisors (see below), whose sum is σ = 60522991452. Its totient is φ = 60520253472.

The previous prime is 60521622439. The next prime is 60521622481. The reversal of 60521622461 is 16422612506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16422612506 = 2 ⋅8211306253.

It can be written as a sum of positive squares in 2 ways, for example, as 27107976025 + 33413646436 = 164645^2 + 182794^2 .

It is a cyclic number.

It is not a de Polignac number, because 60521622461 - 2⁶ = 60521622397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60521622481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615890 + ... + 707363.

It is an arithmetic number, because the mean of its divisors is an integer number (15130747863).

Almost surely, 2^60521622461 is an apocalyptic number.

It is an amenable number.

60521622461 is a deficient number, since it is larger than the sum of its proper divisors (1368991).

60521622461 is a wasteful number, since it uses less digits than its factorization.

60521622461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368990.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 60521622461 in words is "sixty billion, five hundred twenty-one million, six hundred twenty-two thousand, four hundred sixty-one".