9426755557 has 2 divisors, whose sum is σ = 9426755558. Its totient is φ = 9426755556.

The previous prime is 9426755509. The next prime is 9426755563. The reversal of 9426755557 is 7555576249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9426273921 + 481636 = 97089^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 9426755557 - 2¹¹ = 9426753509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9426755498 and 9426755507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9426755587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4713377778 + 4713377779.

It is an arithmetic number, because the mean of its divisors is an integer number (4713377779).

Almost surely, 2^9426755557 is an apocalyptic number.

It is an amenable number.

9426755557 is a deficient number, since it is larger than the sum of its proper divisors (1).

9426755557 is an equidigital number, since it uses as much as digits as its factorization.

9426755557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230000, while the sum is 55.

The square root of 9426755557 is about 97091.4803522946. The cubic root of 9426755557 is about 2112.4547516048.

The spelling of 9426755557 in words is "nine billion, four hundred twenty-six million, seven hundred fifty-five thousand, five hundred fifty-seven".