46861949 has 2 divisors, whose sum is σ = 46861950. Its totient is φ = 46861948.

The previous prime is 46861939. The next prime is 46861963. The reversal of 46861949 is 94916864.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 6285049 = 6370^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 46861949 - 2¹⁶ = 46796413 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46861909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23430974 + 23430975.

It is an arithmetic number, because the mean of its divisors is an integer number (23430975).

Almost surely, 2^46861949 is an apocalyptic number.

It is an amenable number.

46861949 is a deficient number, since it is larger than the sum of its proper divisors (1).

46861949 is an equidigital number, since it uses as much as digits as its factorization.

46861949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 46861949 is about 6845.5787921840. The cubic root of 46861949 is about 360.5289267168.

The spelling of 46861949 in words is "forty-six million, eight hundred sixty-one thousand, nine hundred forty-nine".