49988457407 has 4 divisors (see below), whose sum is σ = 57129665616. Its totient is φ = 42847249200.

The previous prime is 49988457401. The next prime is 49988457473. The reversal of 49988457407 is 70475488994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49988457407 - 2⁴ = 49988457391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49988457401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570604094 + ... + 3570604107.

It is an arithmetic number, because the mean of its divisors is an integer number (14282416404).

Almost surely, 2^49988457407 is an apocalyptic number.

49988457407 is a deficient number, since it is larger than the sum of its proper divisors (7141208209).

49988457407 is an equidigital number, since it uses as much as digits as its factorization.

49988457407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141208208.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 49988457407 in words is "forty-nine billion, nine hundred eighty-eight million, four hundred fifty-seven thousand, four hundred seven".