354213155447 has 4 divisors (see below), whose sum is σ = 355012734120. Its totient is φ = 353413576776.

The previous prime is 354213155437. The next prime is 354213155479. The reversal of 354213155447 is 744551312453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354213155447 is a prime.

It is a super-3 number, since 3×354213155447³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354213155398 and 354213155407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354213155437) 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, 399788672 + ... + 399789557.

It is an arithmetic number, because the mean of its divisors is an integer number (88753183530).

Almost surely, 2^354213155447 is an apocalyptic number.

354213155447 is a deficient number, since it is larger than the sum of its proper divisors (799578673).

354213155447 is an equidigital number, since it uses as much as digits as its factorization.

354213155447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799578672.

The product of its digits is 1008000, while the sum is 44.

The spelling of 354213155447 in words is "three hundred fifty-four billion, two hundred thirteen million, one hundred fifty-five thousand, four hundred forty-seven".