354348749312 has 40 divisors (see below), whose sum is σ = 708868621692. Its totient is φ = 176958361600.

The previous prime is 354348749311. The next prime is 354348749329. The reversal of 354348749312 is 213947843453.

It can be written as a sum of positive squares in 2 ways, for example, as 352912036096 + 1436713216 = 594064^2 + 37904^2 .

It is a super-2 number, since 2×354348749312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354348749311) 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, 1139 + ... + 841842.

Almost surely, 2^354348749312 is an apocalyptic number.

354348749312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

354348749312 is an abundant number, since it is smaller than the sum of its proper divisors (354519872380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354348749312 is an frugal number, since it uses more digits than its factorization.

354348749312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843820 (or 843804 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 53.

The spelling of 354348749312 in words is "three hundred fifty-four billion, three hundred forty-eight million, seven hundred forty-nine thousand, three hundred twelve".