2637340272122 has 16 divisors (see below), whose sum is σ = 4230189352872. Its totient is φ = 1228813171200.

The previous prime is 2637340272113. The next prime is 2637340272137. The reversal of 2637340272122 is 2212720437362.

It is a Cunningham number, because it is equal to 1623989²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2533925932561 + 103414339561 = 1591831^2 + 321581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2637340272122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384000683 + ... + 384007550.

Almost surely, 2^{2637340272122} is an apocalyptic number.

2637340272122 is a deficient number, since it is larger than the sum of its proper divisors (1592849080750).

2637340272122 is a wasteful number, since it uses less digits than its factorization.

2637340272122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768008353.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 2637340272122 in words is "two trillion, six hundred thirty-seven billion, three hundred forty million, two hundred seventy-two thousand, one hundred twenty-two".