47540722049 has 4 divisors (see below), whose sum is σ = 49074293760. Its totient is φ = 46007150340.

The previous prime is 47540721979. The next prime is 47540722093. The reversal of 47540722049 is 94022704574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47540722049 - 2²⁰ = 47539673473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47540722249) 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, 766785809 + ... + 766785870.

It is an arithmetic number, because the mean of its divisors is an integer number (12268573440).

Almost surely, 2^47540722049 is an apocalyptic number.

It is an amenable number.

47540722049 is a deficient number, since it is larger than the sum of its proper divisors (1533571711).

47540722049 is a wasteful number, since it uses less digits than its factorization.

47540722049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533571710.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 47540722049 in words is "forty-seven billion, five hundred forty million, seven hundred twenty-two thousand, forty-nine".