46149869 has 2 divisors, whose sum is σ = 46149870. Its totient is φ = 46149868.

The previous prime is 46149847. The next prime is 46149877. The reversal of 46149869 is 96894164.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 316969 = 6770^2 + 563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46149869 is a prime.

It is a super-2 number, since 2×46149869² = 4259620817434322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46149839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23074934 + 23074935.

It is an arithmetic number, because the mean of its divisors is an integer number (23074935).

Almost surely, 2^46149869 is an apocalyptic number.

It is an amenable number.

46149869 is a deficient number, since it is larger than the sum of its proper divisors (1).

46149869 is an equidigital number, since it uses as much as digits as its factorization.

46149869 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 46149869 is about 6793.3694879640. The cubic root of 46149869 is about 358.6934868712.

The spelling of 46149869 in words is "forty-six million, one hundred forty-nine thousand, eight hundred sixty-nine".