355478043803 has 2 divisors, whose sum is σ = 355478043804. Its totient is φ = 355478043802.

The previous prime is 355478043787. The next prime is 355478043821. The reversal of 355478043803 is 308340874553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355478043803 - 2⁴ = 355478043787 is a prime.

It is a super-3 number, since 3×355478043803³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (355478043883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177739021901 + 177739021902.

It is an arithmetic number, because the mean of its divisors is an integer number (177739021902).

Almost surely, 2^355478043803 is an apocalyptic number.

355478043803 is a deficient number, since it is larger than the sum of its proper divisors (1).

355478043803 is an equidigital number, since it uses as much as digits as its factorization.

355478043803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 355478043803 in words is "three hundred fifty-five billion, four hundred seventy-eight million, forty-three thousand, eight hundred three".