46921619 has 2 divisors, whose sum is σ = 46921620. Its totient is φ = 46921618.

The previous prime is 46921603. The next prime is 46921663. The reversal of 46921619 is 91612964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46921619 - 2⁴ = 46921603 is a prime.

It is a super-2 number, since 2×46921619² = 4403276659162322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46921019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23460809 + 23460810.

It is an arithmetic number, because the mean of its divisors is an integer number (23460810).

Almost surely, 2^46921619 is an apocalyptic number.

46921619 is a deficient number, since it is larger than the sum of its proper divisors (1).

46921619 is an equidigital number, since it uses as much as digits as its factorization.

46921619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 46921619 is about 6849.9356931288. The cubic root of 46921619 is about 360.6818840530.

The spelling of 46921619 in words is "forty-six million, nine hundred twenty-one thousand, six hundred nineteen".