56984420747 has 2 divisors, whose sum is σ = 56984420748. Its totient is φ = 56984420746.

The previous prime is 56984420693. The next prime is 56984420777. The reversal of 56984420747 is 74702448965.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56984420747 - 2¹² = 56984416651 is a prime.

It is a super-2 number, since 2×56984420747² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56984420692 and 56984420701.

It is not a weakly prime, because it can be changed into another prime (56984420777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492210373 + 28492210374.

It is an arithmetic number, because the mean of its divisors is an integer number (28492210374).

Almost surely, 2^56984420747 is an apocalyptic number.

56984420747 is a deficient number, since it is larger than the sum of its proper divisors (1).

56984420747 is an equidigital number, since it uses as much as digits as its factorization.

56984420747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 56984420747 in words is "fifty-six billion, nine hundred eighty-four million, four hundred twenty thousand, seven hundred forty-seven".