49209519667 has 64 divisors (see below), whose sum is σ = 63940036608. Its totient is φ = 36766080000.

The previous prime is 49209519649. The next prime is 49209519713. The reversal of 49209519667 is 76691590294.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49209519667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49209519607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50060058 + ... + 50061040.

It is an arithmetic number, because the mean of its divisors is an integer number (999063072).

Almost surely, 2^49209519667 is an apocalyptic number.

49209519667 is a deficient number, since it is larger than the sum of its proper divisors (14730516941).

49209519667 is a wasteful number, since it uses less digits than its factorization.

49209519667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 49209519667 in words is "forty-nine billion, two hundred nine million, five hundred nineteen thousand, six hundred sixty-seven".