49515874451 has 2 divisors, whose sum is σ = 49515874452. Its totient is φ = 49515874450.

The previous prime is 49515874433. The next prime is 49515874453. The reversal of 49515874451 is 15447851594.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49515874451 - 2²² = 49511680147 is a prime.

Together with 49515874453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49515874393 and 49515874402.

It is not a weakly prime, because it can be changed into another prime (49515874453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24757937225 + 24757937226.

It is an arithmetic number, because the mean of its divisors is an integer number (24757937226).

Almost surely, 2^49515874451 is an apocalyptic number.

49515874451 is a deficient number, since it is larger than the sum of its proper divisors (1).

49515874451 is an equidigital number, since it uses as much as digits as its factorization.

49515874451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 53.

The spelling of 49515874451 in words is "forty-nine billion, five hundred fifteen million, eight hundred seventy-four thousand, four hundred fifty-one".