2048653772651 has 4 divisors (see below), whose sum is σ = 2087307617472. Its totient is φ = 2009999927832.

The previous prime is 2048653772629. The next prime is 2048653772653. The reversal of 2048653772651 is 1562773568402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2048653772651 - 2¹⁸ = 2048653510507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048653772653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19326922331 + ... + 19326922436.

It is an arithmetic number, because the mean of its divisors is an integer number (521826904368).

Almost surely, 2^{2048653772651} is an apocalyptic number.

2048653772651 is a deficient number, since it is larger than the sum of its proper divisors (38653844821).

2048653772651 is an equidigital number, since it uses as much as digits as its factorization.

2048653772651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38653844820.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 2048653772651 in words is "two trillion, forty-eight billion, six hundred fifty-three million, seven hundred seventy-two thousand, six hundred fifty-one".