349056861512 has 36 divisors (see below), whose sum is σ = 662200114905. Its totient is φ = 172493910336.

The previous prime is 349056861493. The next prime is 349056861541. The reversal of 349056861512 is 215168650943.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 312018319396 + 37038542116 = 558586^2 + 192454^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=417766.

It is a super-2 number, since 2×349056861512² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 148723523 + ... + 148725869.

Almost surely, 2^349056861512 is an apocalyptic number.

It is an amenable number.

349056861512 is a deficient number, since it is larger than the sum of its proper divisors (313143253393).

349056861512 is an frugal number, since it uses more digits than its factorization.

349056861512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

Multiplying 349056861512 by its sum of digits (50), we get a square (17452843075600 = 4177660²).

The spelling of 349056861512 in words is "three hundred forty-nine billion, fifty-six million, eight hundred sixty-one thousand, five hundred twelve".