47021949753 has 4 divisors (see below), whose sum is σ = 62695933008. Its totient is φ = 31347966500.

The previous prime is 47021949679. The next prime is 47021949761. The reversal of 47021949753 is 35794912074.

It is a happy number.

47021949753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47021949753 - 2¹² = 47021945657 is a prime.

It is a super-2 number, since 2×47021949753² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47021949696 and 47021949705.

It is not an unprimeable number, because it can be changed into a prime (47021949763) 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, 7836991623 + ... + 7836991628.

It is an arithmetic number, because the mean of its divisors is an integer number (15673983252).

Almost surely, 2^47021949753 is an apocalyptic number.

It is an amenable number.

47021949753 is a deficient number, since it is larger than the sum of its proper divisors (15673983255).

47021949753 is a wasteful number, since it uses less digits than its factorization.

47021949753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673983254.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 47021949753 in words is "forty-seven billion, twenty-one million, nine hundred forty-nine thousand, seven hundred fifty-three".