9420645460357 has 2 divisors, whose sum is σ = 9420645460358. Its totient is φ = 9420645460356.

The previous prime is 9420645460223. The next prime is 9420645460367. The reversal of 9420645460357 is 7530645460249.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9230118448321 + 190527012036 = 3038111^2 + 436494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9420645460357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9420645460298 and 9420645460307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420645460367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710322730178 + 4710322730179.

It is an arithmetic number, because the mean of its divisors is an integer number (4710322730179).

Almost surely, 2^{9420645460357} is an apocalyptic number.

It is an amenable number.

9420645460357 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420645460357 is an equidigital number, since it uses as much as digits as its factorization.

9420645460357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 9420645460357 in words is "nine trillion, four hundred twenty billion, six hundred forty-five million, four hundred sixty thousand, three hundred fifty-seven".