46189639 has 2 divisors, whose sum is σ = 46189640. Its totient is φ = 46189638.

The previous prime is 46189621. The next prime is 46189643. The reversal of 46189639 is 93698164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46189639 - 2⁵ = 46189607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46189669) 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, 23094819 + 23094820.

It is an arithmetic number, because the mean of its divisors is an integer number (23094820).

Almost surely, 2^46189639 is an apocalyptic number.

46189639 is a deficient number, since it is larger than the sum of its proper divisors (1).

46189639 is an equidigital number, since it uses as much as digits as its factorization.

46189639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 46189639 is about 6796.2959764860. The cubic root of 46189639 is about 358.7964929000.

It can be divided in two parts, 461 and 89639, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 46189639 in words is "forty-six million, one hundred eighty-nine thousand, six hundred thirty-nine".