561400488137 has 8 divisors (see below), whose sum is σ = 562290718080. Its totient is φ = 560510940960.

The previous prime is 561400488133. The next prime is 561400488157. The reversal of 561400488137 is 731884004165.

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

It is a cyclic number.

It is not a de Polignac number, because 561400488137 - 2² = 561400488133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561400488091 and 561400488100.

It is not an unprimeable number, because it can be changed into a prime (561400488133) 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, 1487837 + ... + 1826597.

It is an arithmetic number, because the mean of its divisors is an integer number (70286339760).

Almost surely, 2^561400488137 is an apocalyptic number.

It is an amenable number.

561400488137 is a deficient number, since it is larger than the sum of its proper divisors (890229943).

561400488137 is a wasteful number, since it uses less digits than its factorization.

561400488137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341383.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 561400488137 in words is "five hundred sixty-one billion, four hundred million, four hundred eighty-eight thousand, one hundred thirty-seven".