351605134452253 has 32 divisors (see below), whose sum is σ = 398573569400832. Its totient is φ = 307276384507200.

The previous prime is 351605134452181. The next prime is 351605134452289. The reversal of 351605134452253 is 352254431506153.

It is a cyclic number.

It is not a de Polignac number, because 351605134452253 - 2²¹ = 351605132355101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351605134452197 and 351605134452206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351605134456253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108062176 + ... + 111268342.

It is an arithmetic number, because the mean of its divisors is an integer number (12455424043776).

Almost surely, 2^{351605134452253} is an apocalyptic number.

It is an amenable number.

351605134452253 is a deficient number, since it is larger than the sum of its proper divisors (46968434948579).

351605134452253 is a wasteful number, since it uses less digits than its factorization.

351605134452253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208345.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 351605134452253 in words is "three hundred fifty-one trillion, six hundred five billion, one hundred thirty-four million, four hundred fifty-two thousand, two hundred fifty-three".