9053782421 has 2 divisors, whose sum is σ = 9053782422. Its totient is φ = 9053782420.

The previous prime is 9053782393. The next prime is 9053782447. The reversal of 9053782421 is 1242873509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8624836900 + 428945521 = 92870^2 + 20711^2 .

It is an emirp because it is prime and its reverse (1242873509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9053782421 - 2²² = 9049588117 is a prime.

It is a super-2 number, since 2×9053782421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9053782921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4526891210 + 4526891211.

It is an arithmetic number, because the mean of its divisors is an integer number (4526891211).

Almost surely, 2^9053782421 is an apocalyptic number.

It is an amenable number.

9053782421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9053782421 is an equidigital number, since it uses as much as digits as its factorization.

9053782421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 9053782421 is about 95151.3658388570. The cubic root of 9053782421 is about 2084.2190022518.

The spelling of 9053782421 in words is "nine billion, fifty-three million, seven hundred eighty-two thousand, four hundred twenty-one".