49286408987 has 2 divisors, whose sum is σ = 49286408988. Its totient is φ = 49286408986.

The previous prime is 49286408939. The next prime is 49286408989. The reversal of 49286408987 is 78980468294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49286408987 - 2⁶ = 49286408923 is a prime.

It is a super-2 number, since 2×49286408987² (a number of 22 digits) contains 22 as substring.

Together with 49286408989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49286408989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24643204493 + 24643204494.

It is an arithmetic number, because the mean of its divisors is an integer number (24643204494).

Almost surely, 2^49286408987 is an apocalyptic number.

49286408987 is a deficient number, since it is larger than the sum of its proper divisors (1).

49286408987 is an equidigital number, since it uses as much as digits as its factorization.

49286408987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 49286408987 in words is "forty-nine billion, two hundred eighty-six million, four hundred eight thousand, nine hundred eighty-seven".