2634021197 has 2 divisors, whose sum is σ = 2634021198. Its totient is φ = 2634021196.

The previous prime is 2634021043. The next prime is 2634021223. The reversal of 2634021197 is 7911204362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2505402916 + 128618281 = 50054^2 + 11341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634021197 - 2¹⁰ = 2634020173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2634020197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317010598 + 1317010599.

It is an arithmetic number, because the mean of its divisors is an integer number (1317010599).

Almost surely, 2^2634021197 is an apocalyptic number.

It is an amenable number.

2634021197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634021197 is an equidigital number, since it uses as much as digits as its factorization.

2634021197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2634021197 is about 51322.7161888379. The cubic root of 2634021197 is about 1381.0405225702.

The spelling of 2634021197 in words is "two billion, six hundred thirty-four million, twenty-one thousand, one hundred ninety-seven".