354845516842 has 4 divisors (see below), whose sum is σ = 532268275266. Its totient is φ = 177422758420.

The previous prime is 354845516833. The next prime is 354845516863. The reversal of 354845516842 is 248615548453.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 317499567841 + 37345949001 = 563471^2 + 193251^2 .

It is a super-2 number, since 2×354845516842² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88711379209 + ... + 88711379212.

Almost surely, 2^354845516842 is an apocalyptic number.

354845516842 is a deficient number, since it is larger than the sum of its proper divisors (177422758424).

354845516842 is a wasteful number, since it uses less digits than its factorization.

354845516842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177422758423.

The product of its digits is 18432000, while the sum is 55.

The spelling of 354845516842 in words is "three hundred fifty-four billion, eight hundred forty-five million, five hundred sixteen thousand, eight hundred forty-two".