4386894997 has 2 divisors, whose sum is σ = 4386894998. Its totient is φ = 4386894996.

The previous prime is 4386894943. The next prime is 4386895039. The reversal of 4386894997 is 7994986834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4361149521 + 25745476 = 66039^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 4386894997 - 2¹⁵ = 4386862229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4386834997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2193447498 + 2193447499.

It is an arithmetic number, because the mean of its divisors is an integer number (2193447499).

Almost surely, 2^4386894997 is an apocalyptic number.

It is an amenable number.

4386894997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4386894997 is an equidigital number, since it uses as much as digits as its factorization.

4386894997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 67.

The square root of 4386894997 is about 66233.6394666638. The cubic root of 4386894997 is about 1637.0140737289.

The spelling of 4386894997 in words is "four billion, three hundred eighty-six million, eight hundred ninety-four thousand, nine hundred ninety-seven".