354527461221 has 4 divisors (see below), whose sum is σ = 472703281632. Its totient is φ = 236351640812.

The previous prime is 354527461217. The next prime is 354527461229. The reversal of 354527461221 is 122164725453.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 354527461221 - 2² = 354527461217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354527461229) 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, 59087910201 + ... + 59087910206.

It is an arithmetic number, because the mean of its divisors is an integer number (118175820408).

Almost surely, 2^354527461221 is an apocalyptic number.

It is an amenable number.

354527461221 is a deficient number, since it is larger than the sum of its proper divisors (118175820411).

354527461221 is a wasteful number, since it uses less digits than its factorization.

354527461221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118175820410.

The product of its digits is 403200, while the sum is 42.

The spelling of 354527461221 in words is "three hundred fifty-four billion, five hundred twenty-seven million, four hundred sixty-one thousand, two hundred twenty-one".