2537991217219 has 2 divisors, whose sum is σ = 2537991217220. Its totient is φ = 2537991217218.

The previous prime is 2537991217133. The next prime is 2537991217231. The reversal of 2537991217219 is 9127121997352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2537991217219 - 2²⁵ = 2537957662787 is a prime.

It is a super-2 number, since 2×2537991217219² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2537991247219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268995608609 + 1268995608610.

It is an arithmetic number, because the mean of its divisors is an integer number (1268995608610).

Almost surely, 2^{2537991217219} is an apocalyptic number.

2537991217219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537991217219 is an equidigital number, since it uses as much as digits as its factorization.

2537991217219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 58.

The spelling of 2537991217219 in words is "two trillion, five hundred thirty-seven billion, nine hundred ninety-one million, two hundred seventeen thousand, two hundred nineteen".