5047995261 has 4 divisors (see below), whose sum is σ = 6730660352. Its totient is φ = 3365330172.

The previous prime is 5047995257. The next prime is 5047995269. The reversal of 5047995261 is 1625997405.

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 not a de Polignac number, because 5047995261 - 2² = 5047995257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5047995261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047995269) 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, 841332541 + ... + 841332546.

It is an arithmetic number, because the mean of its divisors is an integer number (1682665088).

Almost surely, 2^5047995261 is an apocalyptic number.

It is an amenable number.

5047995261 is a deficient number, since it is larger than the sum of its proper divisors (1682665091).

5047995261 is a wasteful number, since it uses less digits than its factorization.

5047995261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682665090.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 5047995261 is about 71049.2453232263. The cubic root of 5047995261 is about 1715.4299155379.

The spelling of 5047995261 in words is "five billion, forty-seven million, nine hundred ninety-five thousand, two hundred sixty-one".