2651721151 has 2 divisors, whose sum is σ = 2651721152. Its totient is φ = 2651721150.

The previous prime is 2651721103. The next prime is 2651721161. The reversal of 2651721151 is 1511271562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2651721151 - 2²⁹ = 2114850239 is a prime.

It is a super-5 number, since 5×2651721151⁵ (a number of 48 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651721161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325860575 + 1325860576.

It is an arithmetic number, because the mean of its divisors is an integer number (1325860576).

Almost surely, 2^2651721151 is an apocalyptic number.

2651721151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651721151 is an equidigital number, since it uses as much as digits as its factorization.

2651721151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 31.

The square root of 2651721151 is about 51494.8652877158. The cubic root of 2651721151 is about 1384.1270332835.

The spelling of 2651721151 in words is "two billion, six hundred fifty-one million, seven hundred twenty-one thousand, one hundred fifty-one".