49441891 has 2 divisors, whose sum is σ = 49441892. Its totient is φ = 49441890.

The previous prime is 49441877. The next prime is 49441919. The reversal of 49441891 is 19814494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49441891 - 2¹⁷ = 49310819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49441841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24720945 + 24720946.

It is an arithmetic number, because the mean of its divisors is an integer number (24720946).

Almost surely, 2^49441891 is an apocalyptic number.

49441891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49441891 is an equidigital number, since it uses as much as digits as its factorization.

49441891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 49441891 is about 7031.4928002523. The cubic root of 49441891 is about 367.0272904741.

The spelling of 49441891 in words is "forty-nine million, four hundred forty-one thousand, eight hundred ninety-one".