2408857813 has 2 divisors, whose sum is σ = 2408857814. Its totient is φ = 2408857812.

The previous prime is 2408857783. The next prime is 2408857837. The reversal of 2408857813 is 3187588042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391439204 + 1017418609 = 37302^2 + 31897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2408857813 - 2¹⁷ = 2408726741 is a prime.

It is a super-2 number, since 2×2408857813² = 11605191926502285938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2408854813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204428906 + 1204428907.

It is an arithmetic number, because the mean of its divisors is an integer number (1204428907).

Almost surely, 2^2408857813 is an apocalyptic number.

It is an amenable number.

2408857813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2408857813 is an equidigital number, since it uses as much as digits as its factorization.

2408857813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 2408857813 is about 49080.1162692184. The cubic root of 2408857813 is about 1340.5110201005.

The spelling of 2408857813 in words is "two billion, four hundred eight million, eight hundred fifty-seven thousand, eight hundred thirteen".