11634374419 has 2 divisors, whose sum is σ = 11634374420. Its totient is φ = 11634374418.

The previous prime is 11634374383. The next prime is 11634374491. The reversal of 11634374419 is 91447343611.

Together with next prime (11634374491) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11634374419 - 2¹⁵ = 11634341651 is a prime.

It is a super-2 number, since 2×11634374419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11634375419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817187209 + 5817187210.

It is an arithmetic number, because the mean of its divisors is an integer number (5817187210).

Almost surely, 2^11634374419 is an apocalyptic number.

11634374419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634374419 is an equidigital number, since it uses as much as digits as its factorization.

11634374419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The spelling of 11634374419 in words is "eleven billion, six hundred thirty-four million, three hundred seventy-four thousand, four hundred nineteen".