47451145641 has 16 divisors (see below), whose sum is σ = 63713295360. Its totient is φ = 31412322320.

The previous prime is 47451145633. The next prime is 47451145717. The reversal of 47451145641 is 14654115474.

It is a cyclic number.

It is not a de Polignac number, because 47451145641 - 2³ = 47451145633 is a prime.

It is a super-2 number, since 2×47451145641² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47451145593 and 47451145602.

It is not an unprimeable number, because it can be changed into a prime (47451145631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148690 + ... + 342068.

It is an arithmetic number, because the mean of its divisors is an integer number (3982080960).

Almost surely, 2^47451145641 is an apocalyptic number.

It is an amenable number.

47451145641 is a deficient number, since it is larger than the sum of its proper divisors (16262149719).

47451145641 is a wasteful number, since it uses less digits than its factorization.

47451145641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193956.

The product of its digits is 268800, while the sum is 42.

The spelling of 47451145641 in words is "forty-seven billion, four hundred fifty-one million, one hundred forty-five thousand, six hundred forty-one".