61345029463 has 4 divisors (see below), whose sum is σ = 61345603600. Its totient is φ = 61344455328.

The previous prime is 61345029461. The next prime is 61345029467. The reversal of 61345029463 is 36492054316.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61345029463 - 2¹ = 61345029461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61345029461) 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, 74163 + ... + 358036.

It is an arithmetic number, because the mean of its divisors is an integer number (15336400900).

Almost surely, 2^61345029463 is an apocalyptic number.

61345029463 is a deficient number, since it is larger than the sum of its proper divisors (574137).

61345029463 is a wasteful number, since it uses less digits than its factorization.

61345029463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574136.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 61345029463 in words is "sixty-one billion, three hundred forty-five million, twenty-nine thousand, four hundred sixty-three".