47651429 has 4 divisors (see below), whose sum is σ = 54458784. Its totient is φ = 40844076.

The previous prime is 47651341. The next prime is 47651447. The reversal of 47651429 is 92415674.

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 not a de Polignac number, because 47651429 - 2¹² = 47647333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47651392 and 47651401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47651029) 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, 3403667 + ... + 3403680.

It is an arithmetic number, because the mean of its divisors is an integer number (13614696).

Almost surely, 2^47651429 is an apocalyptic number.

It is an amenable number.

47651429 is a deficient number, since it is larger than the sum of its proper divisors (6807355).

47651429 is an equidigital number, since it uses as much as digits as its factorization.

47651429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807354.

The product of its digits is 60480, while the sum is 38.

The square root of 47651429 is about 6903.0014486454. The cubic root of 47651429 is about 362.5422644340.

The spelling of 47651429 in words is "forty-seven million, six hundred fifty-one thousand, four hundred twenty-nine".