2921071861379 has 16 divisors (see below), whose sum is σ = 3419537223168. Its totient is φ = 2443019285952.

The previous prime is 2921071861369. The next prime is 2921071861427. The reversal of 2921071861379 is 9731681701292.

2921071861379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2921071861379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2921071861369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4726802 + ... + 5308935.

It is an arithmetic number, because the mean of its divisors is an integer number (213721076448).

Almost surely, 2^{2921071861379} is an apocalyptic number.

2921071861379 is a deficient number, since it is larger than the sum of its proper divisors (498465361789).

2921071861379 is a wasteful number, since it uses less digits than its factorization.

2921071861379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036754.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 2921071861379 in words is "two trillion, nine hundred twenty-one billion, seventy-one million, eight hundred sixty-one thousand, three hundred seventy-nine".