47456369 has 2 divisors, whose sum is σ = 47456370. Its totient is φ = 47456368.

The previous prime is 47456341. The next prime is 47456399. The reversal of 47456369 is 96365474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47430769 + 25600 = 6887^2 + 160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47456369 is a prime.

It is a super-2 number, since 2×47456369² = 4504213917328322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47456399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23728184 + 23728185.

It is an arithmetic number, because the mean of its divisors is an integer number (23728185).

Almost surely, 2^47456369 is an apocalyptic number.

It is an amenable number.

47456369 is a deficient number, since it is larger than the sum of its proper divisors (1).

47456369 is an equidigital number, since it uses as much as digits as its factorization.

47456369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 47456369 is about 6888.8583234089. The cubic root of 47456369 is about 362.0469018318.

The spelling of 47456369 in words is "forty-seven million, four hundred fifty-six thousand, three hundred sixty-nine".