344120030451553 has 4 divisors (see below), whose sum is σ = 345622738008340. Its totient is φ = 342617322894768.

The previous prime is 344120030451523. The next prime is 344120030451563. The reversal of 344120030451553 is 355154030021443.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179649844835904 + 164470185615649 = 13403352^2 + 12824593^2 .

It is a cyclic number.

It is not a de Polignac number, because 344120030451553 - 2³⁷ = 343982591498081 is a prime.

It is a super-2 number, since 2×344120030451553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344120030451523) 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, 751353778050 + ... + 751353778507.

It is an arithmetic number, because the mean of its divisors is an integer number (86405684502085).

Almost surely, 2^{344120030451553} is an apocalyptic number.

It is an amenable number.

344120030451553 is a deficient number, since it is larger than the sum of its proper divisors (1502707556787).

344120030451553 is a wasteful number, since it uses less digits than its factorization.

344120030451553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502707556786.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 344120030451553 its reverse (355154030021443), we get a palindrome (699274060472996).

The spelling of 344120030451553 in words is "three hundred forty-four trillion, one hundred twenty billion, thirty million, four hundred fifty-one thousand, five hundred fifty-three".