352666404666253 has 4 divisors (see below), whose sum is σ = 367999726608288. Its totient is φ = 337333082724220.

The previous prime is 352666404666239. The next prime is 352666404666311.

352666404666253 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352666404666253 - 2⁵ = 352666404666221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352666404666223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7666660970983 + ... + 7666660971028.

It is an arithmetic number, because the mean of its divisors is an integer number (91999931652072).

Almost surely, 2^{352666404666253} is an apocalyptic number.

It is an amenable number.

352666404666253 is a deficient number, since it is larger than the sum of its proper divisors (15333321942035).

352666404666253 is a wasteful number, since it uses less digits than its factorization.

352666404666253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15333321942034.

The product of its (nonzero) digits is 671846400, while the sum is 64.

The spelling of 352666404666253 in words is "three hundred fifty-two trillion, six hundred sixty-six billion, four hundred four million, six hundred sixty-six thousand, two hundred fifty-three".