5612731781 has 8 divisors (see below), whose sum is σ = 5944005504. Its totient is φ = 5281581760.

The previous prime is 5612731769. The next prime is 5612731783. The reversal of 5612731781 is 1871372165.

It is a happy number.

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

It is not a de Polignac number, because 5612731781 - 2¹⁰ = 5612730757 is a prime.

It is a super-2 number, since 2×5612731781² = 63005516090894863922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5612731783) 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, 72386 + ... + 128316.

It is an arithmetic number, because the mean of its divisors is an integer number (743000688).

Almost surely, 2^5612731781 is an apocalyptic number.

It is an amenable number.

5612731781 is a deficient number, since it is larger than the sum of its proper divisors (331273723).

5612731781 is a wasteful number, since it uses less digits than its factorization.

5612731781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61851.

The product of its digits is 70560, while the sum is 41.

The square root of 5612731781 is about 74918.1672293176. The cubic root of 5612731781 is about 1777.1527705066.

The spelling of 5612731781 in words is "five billion, six hundred twelve million, seven hundred thirty-one thousand, seven hundred eighty-one".