46473989 has 2 divisors, whose sum is σ = 46473990. Its totient is φ = 46473988.

The previous prime is 46473919. The next prime is 46473997. The reversal of 46473989 is 98937464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46471489 + 2500 = 6817^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46473989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46473919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23236994 + 23236995.

It is an arithmetic number, because the mean of its divisors is an integer number (23236995).

Almost surely, 2^46473989 is an apocalyptic number.

It is an amenable number.

46473989 is a deficient number, since it is larger than the sum of its proper divisors (1).

46473989 is an equidigital number, since it uses as much as digits as its factorization.

46473989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 46473989 is about 6817.1833626506. The cubic root of 46473989 is about 359.5312546373.

The spelling of 46473989 in words is "forty-six million, four hundred seventy-three thousand, nine hundred eighty-nine".