61064180469 has 6 divisors (see below), whose sum is σ = 88203816246. Its totient is φ = 40709453640.

The previous prime is 61064180461. The next prime is 61064180477. The reversal of 61064180469 is 96408146016.

61064180469 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 4 + 180 + 469 = 666.

It is an interprime number because it is at equal distance from previous prime (61064180461) and next prime (61064180477).

It can be written as a sum of positive squares in only one way, i.e., 54098108100 + 6966072369 = 232590^2 + 83463^2 .

It is not a de Polignac number, because 61064180469 - 2³ = 61064180461 is a prime.

It is a super-2 number, since 2×61064180469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61064180461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3392454462 + ... + 3392454479.

It is an arithmetic number, because the mean of its divisors is an integer number (14700636041).

Almost surely, 2^61064180469 is an apocalyptic number.

It is an amenable number.

61064180469 is a deficient number, since it is larger than the sum of its proper divisors (27139635777).

61064180469 is a wasteful number, since it uses less digits than its factorization.

61064180469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784908947 (or 6784908944 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 61064180469 in words is "sixty-one billion, sixty-four million, one hundred eighty thousand, four hundred sixty-nine".