4846639957 has 2 divisors, whose sum is σ = 4846639958. Its totient is φ = 4846639956.

The previous prime is 4846639943. The next prime is 4846639969. The reversal of 4846639957 is 7599366484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3672481201 + 1174158756 = 60601^2 + 34266^2 .

It is a cyclic number.

It is not a de Polignac number, because 4846639957 - 2¹¹ = 4846637909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4846639895 and 4846639904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4846639937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2423319978 + 2423319979.

It is an arithmetic number, because the mean of its divisors is an integer number (2423319979).

Almost surely, 2^4846639957 is an apocalyptic number.

It is an amenable number.

4846639957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4846639957 is an equidigital number, since it uses as much as digits as its factorization.

4846639957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 61.

The square root of 4846639957 is about 69617.8135034418. The cubic root of 4846639957 is about 1692.3112939915.

The spelling of 4846639957 in words is "four billion, eight hundred forty-six million, six hundred thirty-nine thousand, nine hundred fifty-seven".