994134641 has 2 divisors, whose sum is σ = 994134642. Its totient is φ = 994134640.

The previous prime is 994134599. The next prime is 994134671. The reversal of 994134641 is 146431499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795465616 + 198669025 = 28204^2 + 14095^2 .

It is a cyclic number.

It is not a de Polignac number, because 994134641 - 2¹⁸ = 993872497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994134671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497067320 + 497067321.

It is an arithmetic number, because the mean of its divisors is an integer number (497067321).

Almost surely, 2^994134641 is an apocalyptic number.

It is an amenable number.

994134641 is a deficient number, since it is larger than the sum of its proper divisors (1).

994134641 is an equidigital number, since it uses as much as digits as its factorization.

994134641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 994134641 is about 31529.9007451657. The cubic root of 994134641 is about 998.0410453358.

The spelling of 994134641 in words is "nine hundred ninety-four million, one hundred thirty-four thousand, six hundred forty-one".