354172381193 has 2 divisors, whose sum is σ = 354172381194. Its totient is φ = 354172381192.

The previous prime is 354172381169. The next prime is 354172381237. The reversal of 354172381193 is 391183271453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352602002809 + 1570378384 = 593803^2 + 39628^2 .

It is a cyclic number.

It is not a de Polignac number, because 354172381193 - 2³⁸ = 79294474249 is a prime.

It is a super-3 number, since 3×354172381193³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (354172381793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177086190596 + 177086190597.

It is an arithmetic number, because the mean of its divisors is an integer number (177086190597).

Almost surely, 2^354172381193 is an apocalyptic number.

It is an amenable number.

354172381193 is a deficient number, since it is larger than the sum of its proper divisors (1).

354172381193 is an equidigital number, since it uses as much as digits as its factorization.

354172381193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 354172381193 in words is "three hundred fifty-four billion, one hundred seventy-two million, three hundred eighty-one thousand, one hundred ninety-three".