46437651851209 has 2 divisors, whose sum is σ = 46437651851210. Its totient is φ = 46437651851208.

The previous prime is 46437651851159. The next prime is 46437651851219. The reversal of 46437651851209 is 90215815673464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40757652125584 + 5679999725625 = 6384172^2 + 2383275^2 .

It is a cyclic number.

It is not a de Polignac number, because 46437651851209 - 2¹⁷ = 46437651720137 is a prime.

It is not a weakly prime, because it can be changed into another prime (46437651851219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23218825925604 + 23218825925605.

It is an arithmetic number, because the mean of its divisors is an integer number (23218825925605).

It is a 1-persistent number, because it is pandigital, but 2⋅46437651851209 = 92875303702418 is not.

Almost surely, 2^{46437651851209} is an apocalyptic number.

It is an amenable number.

46437651851209 is a deficient number, since it is larger than the sum of its proper divisors (1).

46437651851209 is an equidigital number, since it uses as much as digits as its factorization.

46437651851209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 46437651851209 in words is "forty-six trillion, four hundred thirty-seven billion, six hundred fifty-one million, eight hundred fifty-one thousand, two hundred nine".