2648537651 has 2 divisors, whose sum is σ = 2648537652. Its totient is φ = 2648537650.

The previous prime is 2648537609. The next prime is 2648537687. The reversal of 2648537651 is 1567358462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648537651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2648537596 and 2648537605.

It is not a weakly prime, because it can be changed into another prime (2648537251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324268825 + 1324268826.

It is an arithmetic number, because the mean of its divisors is an integer number (1324268826).

Almost surely, 2^2648537651 is an apocalyptic number.

2648537651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648537651 is an equidigital number, since it uses as much as digits as its factorization.

2648537651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 2648537651 is about 51463.9451558079. The cubic root of 2648537651 is about 1383.5729110514.

The spelling of 2648537651 in words is "two billion, six hundred forty-eight million, five hundred thirty-seven thousand, six hundred fifty-one".