354220471073654 has 16 divisors (see below), whose sum is σ = 531472794612480. Its totient is φ = 177062875684200.

The previous prime is 354220471073647. The next prime is 354220471073657. The reversal of 354220471073654 is 456370174022453.

It is a super-3 number, since 3×354220471073654³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354220471073596 and 354220471073605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354220471073657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257312879 + ... + 258685829.

It is an arithmetic number, because the mean of its divisors is an integer number (33217049663280).

Almost surely, 2^{354220471073654} is an apocalyptic number.

354220471073654 is a deficient number, since it is larger than the sum of its proper divisors (177252323538826).

354220471073654 is a wasteful number, since it uses less digits than its factorization.

354220471073654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407355.

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 354220471073654 in words is "three hundred fifty-four trillion, two hundred twenty billion, four hundred seventy-one million, seventy-three thousand, six hundred fifty-four".