2061249226779 has 8 divisors (see below), whose sum is σ = 2749110219792. Its totient is φ = 1373777192480.

The previous prime is 2061249226759. The next prime is 2061249226837. The reversal of 2061249226779 is 9776229421602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2061249226779 - 2¹¹ = 2061249224731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061249226759) 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, 97227312 + ... + 97248509.

It is an arithmetic number, because the mean of its divisors is an integer number (343638777474).

Almost surely, 2^{2061249226779} is an apocalyptic number.

2061249226779 is a deficient number, since it is larger than the sum of its proper divisors (687860993013).

2061249226779 is a wasteful number, since it uses less digits than its factorization.

2061249226779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194479357.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 2061249226779 in words is "two trillion, sixty-one billion, two hundred forty-nine million, two hundred twenty-six thousand, seven hundred seventy-nine".