2049129320867 has 2 divisors, whose sum is σ = 2049129320868. Its totient is φ = 2049129320866.

The previous prime is 2049129320863. The next prime is 2049129320891. The reversal of 2049129320867 is 7680239219402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2049129320867 - 2² = 2049129320863 is a prime.

It is not a weakly prime, because it can be changed into another prime (2049129320863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024564660433 + 1024564660434.

It is an arithmetic number, because the mean of its divisors is an integer number (1024564660434).

Almost surely, 2^{2049129320867} is an apocalyptic number.

2049129320867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049129320867 is an equidigital number, since it uses as much as digits as its factorization.

2049129320867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2049129320867 in words is "two trillion, forty-nine billion, one hundred twenty-nine million, three hundred twenty thousand, eight hundred sixty-seven".