2309554146238 has 4 divisors (see below), whose sum is σ = 3464331219360. Its totient is φ = 1154777073118.

The previous prime is 2309554146217. The next prime is 2309554146257. The reversal of 2309554146238 is 8326414559032.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577388536558 + ... + 577388536561.

It is an arithmetic number, because the mean of its divisors is an integer number (866082804840).

Almost surely, 2^{2309554146238} is an apocalyptic number.

2309554146238 is a deficient number, since it is larger than the sum of its proper divisors (1154777073122).

2309554146238 is a wasteful number, since it uses less digits than its factorization.

2309554146238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154777073121.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 2309554146238 in words is "two trillion, three hundred nine billion, five hundred fifty-four million, one hundred forty-six thousand, two hundred thirty-eight".