2219377139651 has 8 divisors (see below), whose sum is σ = 2579421373440. Its totient is φ = 1870080495048.

The previous prime is 2219377139621. The next prime is 2219377139719. The reversal of 2219377139651 is 1569317739122.

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 2219377139651 - 2⁶ = 2219377139587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219377139621) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2686896851 + ... + 2686897676.

It is an arithmetic number, because the mean of its divisors is an integer number (322427671680).

Almost surely, 2^{2219377139651} is an apocalyptic number.

2219377139651 is a deficient number, since it is larger than the sum of its proper divisors (360044233789).

2219377139651 is an equidigital number, since it uses as much as digits as its factorization.

2219377139651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373794593.

The product of its digits is 4286520, while the sum is 56.

The spelling of 2219377139651 in words is "two trillion, two hundred nineteen billion, three hundred seventy-seven million, one hundred thirty-nine thousand, six hundred fifty-one".