357213047224349 has 2 divisors, whose sum is σ = 357213047224350. Its totient is φ = 357213047224348.

The previous prime is 357213047224331. The next prime is 357213047224379. The reversal of 357213047224349 is 943422740312753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336235667092900 + 20977380131449 = 18336730^2 + 4580107^2 .

It is a cyclic number.

It is not a de Polignac number, because 357213047224349 - 2²⁰ = 357213046175773 is a prime.

It is a super-2 number, since 2×357213047224349² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 357213047224294 and 357213047224303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (357213047224379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178606523612174 + 178606523612175.

It is an arithmetic number, because the mean of its divisors is an integer number (178606523612175).

Almost surely, 2^{357213047224349} is an apocalyptic number.

It is an amenable number.

357213047224349 is a deficient number, since it is larger than the sum of its proper divisors (1).

357213047224349 is an equidigital number, since it uses as much as digits as its factorization.

357213047224349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 56.

The spelling of 357213047224349 in words is "three hundred fifty-seven trillion, two hundred thirteen billion, forty-seven million, two hundred twenty-four thousand, three hundred forty-nine".