46819931 has 2 divisors, whose sum is σ = 46819932. Its totient is φ = 46819930.

The previous prime is 46819907. The next prime is 46819967. The reversal of 46819931 is 13991864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46819931 - 2⁶ = 46819867 is a prime.

It is a super-2 number, since 2×46819931² = 4384211877689522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46810931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23409965 + 23409966.

It is an arithmetic number, because the mean of its divisors is an integer number (23409966).

Almost surely, 2^46819931 is an apocalyptic number.

46819931 is a deficient number, since it is larger than the sum of its proper divisors (1).

46819931 is an equidigital number, since it uses as much as digits as its factorization.

46819931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 46819931 is about 6842.5091158142. The cubic root of 46819931 is about 360.4211403739.

The spelling of 46819931 in words is "forty-six million, eight hundred nineteen thousand, nine hundred thirty-one".