49013687 has 2 divisors, whose sum is σ = 49013688. Its totient is φ = 49013686.

The previous prime is 49013663. The next prime is 49013689. The reversal of 49013687 is 78631094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49013687 - 2⁶ = 49013623 is a prime.

Together with 49013689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49013687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49013689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24506843 + 24506844.

It is an arithmetic number, because the mean of its divisors is an integer number (24506844).

Almost surely, 2^49013687 is an apocalyptic number.

49013687 is a deficient number, since it is larger than the sum of its proper divisors (1).

49013687 is an equidigital number, since it uses as much as digits as its factorization.

49013687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 49013687 is about 7000.9775745963. The cubic root of 49013687 is about 365.9646392027.

The spelling of 49013687 in words is "forty-nine million, thirteen thousand, six hundred eighty-seven".