49490971907 has 8 divisors (see below), whose sum is σ = 53386660320. Its totient is φ = 45607953600.

The previous prime is 49490971891. The next prime is 49490971963. The reversal of 49490971907 is 70917909494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49490971907 - 2⁴ = 49490971891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49490971967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159407 + ... + 3175032.

It is an arithmetic number, because the mean of its divisors is an integer number (6673332540).

Almost surely, 2^49490971907 is an apocalyptic number.

49490971907 is a deficient number, since it is larger than the sum of its proper divisors (3895688413).

49490971907 is a wasteful number, since it uses less digits than its factorization.

49490971907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335053.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 49490971907 in words is "forty-nine billion, four hundred ninety million, nine hundred seventy-one thousand, nine hundred seven".