94019749 has 2 divisors, whose sum is σ = 94019750. Its totient is φ = 94019748.

The previous prime is 94019747. The next prime is 94019753. The reversal of 94019749 is 94791049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 43467649 = 7110^2 + 6593^2 .

It is a cyclic number.

It is not a de Polignac number, because 94019749 - 2¹ = 94019747 is a prime.

Together with 94019747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94019743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47009874 + 47009875.

It is an arithmetic number, because the mean of its divisors is an integer number (47009875).

Almost surely, 2^94019749 is an apocalyptic number.

It is an amenable number.

94019749 is a deficient number, since it is larger than the sum of its proper divisors (1).

94019749 is an equidigital number, since it uses as much as digits as its factorization.

94019749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 94019749 is about 9696.3781382535. The cubic root of 94019749 is about 454.7154345107.

The spelling of 94019749 in words is "ninety-four million, nineteen thousand, seven hundred forty-nine".