61543540626763 has 4 divisors (see below), whose sum is σ = 66277659136528. Its totient is φ = 56809422117000.

The previous prime is 61543540626751. The next prime is 61543540626769. The reversal of 61543540626763 is 36762604534516.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61543540626763 - 2²¹ = 61543538529611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61543540626698 and 61543540626707.

It is not an unprimeable number, because it can be changed into a prime (61543540626769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2367059254863 + ... + 2367059254888.

It is an arithmetic number, because the mean of its divisors is an integer number (16569414784132).

Almost surely, 2^{61543540626763} is an apocalyptic number.

61543540626763 is a deficient number, since it is larger than the sum of its proper divisors (4734118509765).

61543540626763 is a wasteful number, since it uses less digits than its factorization.

61543540626763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734118509764.

The product of its (nonzero) digits is 65318400, while the sum is 58.

The spelling of 61543540626763 in words is "sixty-one trillion, five hundred forty-three billion, five hundred forty million, six hundred twenty-six thousand, seven hundred sixty-three".