61523504434 has 8 divisors (see below), whose sum is σ = 105468864768. Its totient is φ = 26367216180.

The previous prime is 61523504411. The next prime is 61523504473. The reversal of 61523504434 is 43440532516.

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

It is a junction number, because it is equal to n+sod(n) for n = 61523504393 and 61523504402.

It is an unprimeable number.

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, 2197268002 + ... + 2197268029.

It is an arithmetic number, because the mean of its divisors is an integer number (13183608096).

Almost surely, 2^61523504434 is an apocalyptic number.

61523504434 is a deficient number, since it is larger than the sum of its proper divisors (43945360334).

61523504434 is a wasteful number, since it uses less digits than its factorization.

61523504434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394536040.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 61523504434 in words is "sixty-one billion, five hundred twenty-three million, five hundred four thousand, four hundred thirty-four".