94091219939 has 2 divisors, whose sum is σ = 94091219940. Its totient is φ = 94091219938.

The previous prime is 94091219837. The next prime is 94091219951. The reversal of 94091219939 is 93991219049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94091219939 - 2¹² = 94091215843 is a prime.

It is not a weakly prime, because it can be changed into another prime (94091219039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47045609969 + 47045609970.

It is an arithmetic number, because the mean of its divisors is an integer number (47045609970).

Almost surely, 2^94091219939 is an apocalyptic number.

94091219939 is a deficient number, since it is larger than the sum of its proper divisors (1).

94091219939 is an equidigital number, since it uses as much as digits as its factorization.

94091219939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The spelling of 94091219939 in words is "ninety-four billion, ninety-one million, two hundred nineteen thousand, nine hundred thirty-nine".