2651551193 has 2 divisors, whose sum is σ = 2651551194. Its totient is φ = 2651551192.

The previous prime is 2651551169. The next prime is 2651551211. The reversal of 2651551193 is 3911551562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2641137664 + 10413529 = 51392^2 + 3227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651551193 - 2⁶ = 2651551129 is a prime.

It is a super-3 number, since 3×2651551193³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2651551153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325775596 + 1325775597.

It is an arithmetic number, because the mean of its divisors is an integer number (1325775597).

Almost surely, 2^2651551193 is an apocalyptic number.

It is an amenable number.

2651551193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651551193 is an equidigital number, since it uses as much as digits as its factorization.

2651551193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 38.

The square root of 2651551193 is about 51493.2150190683. The cubic root of 2651551193 is about 1384.0974614853.

The spelling of 2651551193 in words is "two billion, six hundred fifty-one million, five hundred fifty-one thousand, one hundred ninety-three".