47549354497 has 4 divisors (see below), whose sum is σ = 49616717760. Its totient is φ = 45481991236.

The previous prime is 47549354459. The next prime is 47549354519. The reversal of 47549354497 is 79445394574.

It is a happy number.

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 47549354497 - 2²³ = 47540965889 is a prime.

It is a super-2 number, since 2×47549354497² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47549654497) 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, 1033681597 + ... + 1033681642.

It is an arithmetic number, because the mean of its divisors is an integer number (12404179440).

Almost surely, 2^47549354497 is an apocalyptic number.

It is an amenable number.

47549354497 is a deficient number, since it is larger than the sum of its proper divisors (2067363263).

47549354497 is a wasteful number, since it uses less digits than its factorization.

47549354497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067363262.

The product of its digits is 76204800, while the sum is 61.

The spelling of 47549354497 in words is "forty-seven billion, five hundred forty-nine million, three hundred fifty-four thousand, four hundred ninety-seven".