47924446749 has 4 divisors (see below), whose sum is σ = 63899262336. Its totient is φ = 31949631164.

The previous prime is 47924446699. The next prime is 47924446763. The reversal of 47924446749 is 94764442974.

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 47924446749 - 2²⁴ = 47907669533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47924446692 and 47924446701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47924446789) 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, 7987407789 + ... + 7987407794.

It is an arithmetic number, because the mean of its divisors is an integer number (15974815584).

Almost surely, 2^47924446749 is an apocalyptic number.

It is an amenable number.

47924446749 is a deficient number, since it is larger than the sum of its proper divisors (15974815587).

47924446749 is a wasteful number, since it uses less digits than its factorization.

47924446749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974815586.

The product of its digits is 48771072, while the sum is 60.

The spelling of 47924446749 in words is "forty-seven billion, nine hundred twenty-four million, four hundred forty-six thousand, seven hundred forty-nine".