49186198601 has 2 divisors, whose sum is σ = 49186198602. Its totient is φ = 49186198600.

The previous prime is 49186198571. The next prime is 49186198609. The reversal of 49186198601 is 10689168194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49072882576 + 113316025 = 221524^2 + 10645^2 .

It is a cyclic number.

It is not a de Polignac number, because 49186198601 - 2¹⁴ = 49186182217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49186198609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24593099300 + 24593099301.

It is an arithmetic number, because the mean of its divisors is an integer number (24593099301).

Almost surely, 2^49186198601 is an apocalyptic number.

It is an amenable number.

49186198601 is a deficient number, since it is larger than the sum of its proper divisors (1).

49186198601 is an equidigital number, since it uses as much as digits as its factorization.

49186198601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 49186198601 in words is "forty-nine billion, one hundred eighty-six million, one hundred ninety-eight thousand, six hundred one".