49001663 has 2 divisors, whose sum is σ = 49001664. Its totient is φ = 49001662.

The previous prime is 49001651. The next prime is 49001671. The reversal of 49001663 is 36610094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49001663 - 2¹⁶ = 48936127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49001363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500831 + 24500832.

It is an arithmetic number, because the mean of its divisors is an integer number (24500832).

Almost surely, 2^49001663 is an apocalyptic number.

49001663 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001663 is an equidigital number, since it uses as much as digits as its factorization.

49001663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 49001663 is about 7000.1187847064. The cubic root of 49001663 is about 365.9347107006.

The spelling of 49001663 in words is "forty-nine million, one thousand, six hundred sixty-three".