47069561641 has 4 divisors (see below), whose sum is σ = 47120780800. Its totient is φ = 47018342484.

The previous prime is 47069561639. The next prime is 47069561647. The reversal of 47069561641 is 14616596074.

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 47069561641 - 2¹ = 47069561639 is a prime.

It is a super-2 number, since 2×47069561641² (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 (47069561647) 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, 25608201 + ... + 25610038.

It is an arithmetic number, because the mean of its divisors is an integer number (11780195200).

Almost surely, 2^47069561641 is an apocalyptic number.

It is an amenable number.

47069561641 is a deficient number, since it is larger than the sum of its proper divisors (51219159).

47069561641 is an equidigital number, since it uses as much as digits as its factorization.

47069561641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51219158.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 47069561641 in words is "forty-seven billion, sixty-nine million, five hundred sixty-one thousand, six hundred forty-one".