61354435143193 has 8 divisors (see below), whose sum is σ = 61545453892736. Its totient is φ = 61163668566000.

The previous prime is 61354435143167. The next prime is 61354435143229. The reversal of 61354435143193 is 39134153445316.

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 61354435143193 - 2⁵ = 61354435143161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61354435143193.

It is not an unprimeable number, because it can be changed into a prime (61354435143143) 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, 62555718 + ... + 63528943.

It is an arithmetic number, because the mean of its divisors is an integer number (7693181736592).

Almost surely, 2^{61354435143193} is an apocalyptic number.

It is an amenable number.

61354435143193 is a deficient number, since it is larger than the sum of its proper divisors (191018749543).

61354435143193 is a wasteful number, since it uses less digits than its factorization.

61354435143193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126086175.

The product of its digits is 6998400, while the sum is 52.

The spelling of 61354435143193 in words is "sixty-one trillion, three hundred fifty-four billion, four hundred thirty-five million, one hundred forty-three thousand, one hundred ninety-three".