61409567233 has 8 divisors (see below), whose sum is σ = 70514982080. Its totient is φ = 52387307280.

The previous prime is 61409567231. The next prime is 61409567249. The reversal of 61409567233 is 33276590416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61409567233 - 2¹ = 61409567231 is a prime.

It is a super-2 number, since 2×61409567233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61409567231) 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, 20787138 + ... + 20790091.

It is an arithmetic number, because the mean of its divisors is an integer number (8814372760).

Almost surely, 2^61409567233 is an apocalyptic number.

It is an amenable number.

61409567233 is a deficient number, since it is larger than the sum of its proper divisors (9105414847).

61409567233 is a wasteful number, since it uses less digits than its factorization.

61409567233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41577447.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 61409567233 in words is "sixty-one billion, four hundred nine million, five hundred sixty-seven thousand, two hundred thirty-three".