2159777395426 has 8 divisors (see below), whose sum is σ = 3702475535040. Its totient is φ = 925618883748.

The previous prime is 2159777395417. The next prime is 2159777395439. The reversal of 2159777395426 is 6245937779512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77134906966 + ... + 77134906993.

It is an arithmetic number, because the mean of its divisors is an integer number (462809441880).

Almost surely, 2^{2159777395426} is an apocalyptic number.

2159777395426 is a deficient number, since it is larger than the sum of its proper divisors (1542698139614).

2159777395426 is a wasteful number, since it uses less digits than its factorization.

2159777395426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154269813968.

The product of its digits is 200037600, while the sum is 67.

The spelling of 2159777395426 in words is "two trillion, one hundred fifty-nine billion, seven hundred seventy-seven million, three hundred ninety-five thousand, four hundred twenty-six".