61469616473 has 4 divisors (see below), whose sum is σ = 61470288180. Its totient is φ = 61468944768.

The previous prime is 61469616457. The next prime is 61469616553. The reversal of 61469616473 is 37461696416.

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 can be written as a sum of positive squares in 2 ways, for example, as 2969487049 + 58500129424 = 54493^2 + 241868^2 .

It is a cyclic number.

It is not a de Polignac number, because 61469616473 - 2⁴ = 61469616457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61469616673) 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, 171908 + ... + 390501.

It is an arithmetic number, because the mean of its divisors is an integer number (15367572045).

Almost surely, 2^61469616473 is an apocalyptic number.

It is an amenable number.

61469616473 is a deficient number, since it is larger than the sum of its proper divisors (671707).

61469616473 is a wasteful number, since it uses less digits than its factorization.

61469616473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671706.

The product of its digits is 3919104, while the sum is 53.

The spelling of 61469616473 in words is "sixty-one billion, four hundred sixty-nine million, six hundred sixteen thousand, four hundred seventy-three".