10420352357 has 2 divisors, whose sum is σ = 10420352358. Its totient is φ = 10420352356.

The previous prime is 10420352329. The next prime is 10420352491. The reversal of 10420352357 is 75325302401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7956818401 + 2463533956 = 89201^2 + 49634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10420352357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420355357) 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, 5210176178 + 5210176179.

It is an arithmetic number, because the mean of its divisors is an integer number (5210176179).

Almost surely, 2^10420352357 is an apocalyptic number.

It is an amenable number.

10420352357 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420352357 is an equidigital number, since it uses as much as digits as its factorization.

10420352357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 10420352357 its reverse (75325302401), we get a palindrome (85745654758).

The spelling of 10420352357 in words is "ten billion, four hundred twenty million, three hundred fifty-two thousand, three hundred fifty-seven".