354272406281 has 4 divisors (see below), whose sum is σ = 358756867200. Its totient is φ = 349787945364.

The previous prime is 354272406269. The next prime is 354272406283. The reversal of 354272406281 is 182604272453.

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, and also an emirpimes, since its reverse is a distinct semiprime: 182604272453 = 1013 ⋅180260881.

It is a cyclic number.

It is not a de Polignac number, because 354272406281 - 2⁶ = 354272406217 is a prime.

It is a super-3 number, since 3×354272406281³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354272406283) 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, 2242230341 + ... + 2242230498.

It is an arithmetic number, because the mean of its divisors is an integer number (89689216800).

Almost surely, 2^354272406281 is an apocalyptic number.

It is an amenable number.

354272406281 is a deficient number, since it is larger than the sum of its proper divisors (4484460919).

354272406281 is an equidigital number, since it uses as much as digits as its factorization.

354272406281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484460918.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 354272406281 in words is "three hundred fifty-four billion, two hundred seventy-two million, four hundred six thousand, two hundred eighty-one".