61630735530523 has 8 divisors (see below), whose sum is σ = 63296931676160. Its totient is φ = 59964565731840.

The previous prime is 61630735530503. The next prime is 61630735530527. The reversal of 61630735530523 is 32503553703616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61630735530523 - 2¹⁷ = 61630735399451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61630735530527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798683 + ... + 11247076.

It is an arithmetic number, because the mean of its divisors is an integer number (7912116459520).

Almost surely, 2^{61630735530523} is an apocalyptic number.

61630735530523 is a deficient number, since it is larger than the sum of its proper divisors (1666196145637).

61630735530523 is a wasteful number, since it uses less digits than its factorization.

61630735530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13173477.

The product of its (nonzero) digits is 5103000, while the sum is 49.

The spelling of 61630735530523 in words is "sixty-one trillion, six hundred thirty billion, seven hundred thirty-five million, five hundred thirty thousand, five hundred twenty-three".