342121619 has 32 divisors (see below), whose sum is σ = 434273280. Its totient is φ = 262766592.

The previous prime is 342121609. The next prime is 342121621. The reversal of 342121619 is 916121243.

It is a cyclic number.

It is not a de Polignac number, because 342121619 - 2²⁰ = 341073043 is a prime.

It is a super-2 number, since 2×342121619² = 234094404374362322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342121591 and 342121600.

It is not an unprimeable number, because it can be changed into a prime (342121609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296147 + ... + 297299.

It is an arithmetic number, because the mean of its divisors is an integer number (13571040).

Almost surely, 2^342121619 is an apocalyptic number.

342121619 is a deficient number, since it is larger than the sum of its proper divisors (92151661).

342121619 is a wasteful number, since it uses less digits than its factorization.

342121619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 2592, while the sum is 29.

The square root of 342121619 is about 18496.5299177981. The cubic root of 342121619 is about 699.4019511039.

The spelling of 342121619 in words is "three hundred forty-two million, one hundred twenty-one thousand, six hundred nineteen".