349453099620 has 72 divisors (see below), whose sum is σ = 1070299129536. Its totient is φ = 92282755392.

The previous prime is 349453099573. The next prime is 349453099631. The reversal of 349453099620 is 26990354943.

349453099620 is a `hidden beast` number, since 3 + 4 + 9 + 4 + 5 + 3 + 0 + 9 + 9 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9405762 + ... + 9442841.

It is an arithmetic number, because the mean of its divisors is an integer number (14865265688).

Almost surely, 2^349453099620 is an apocalyptic number.

349453099620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349453099620 is an abundant number, since it is smaller than the sum of its proper divisors (720846029916).

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

349453099620 is a wasteful number, since it uses less digits than its factorization.

349453099620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848721 (or 18848716 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 349453099620 in words is "three hundred forty-nine billion, four hundred fifty-three million, ninety-nine thousand, six hundred twenty".