2354638780079 has 8 divisors (see below), whose sum is σ = 2400789086688. Its totient is φ = 2308732011360.

The previous prime is 2354638780073. The next prime is 2354638780159. The reversal of 2354638780079 is 9700878364532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2354638780079 - 2²⁰ = 2354637731503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354638780073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60864947 + ... + 60903620.

It is an arithmetic number, because the mean of its divisors is an integer number (300098635836).

Almost surely, 2^{2354638780079} is an apocalyptic number.

2354638780079 is a deficient number, since it is larger than the sum of its proper divisors (46150306609).

2354638780079 is a wasteful number, since it uses less digits than its factorization.

2354638780079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121768945.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 2354638780079 in words is "two trillion, three hundred fifty-four billion, six hundred thirty-eight million, seven hundred eighty thousand, seventy-nine".