2639478203 has 2 divisors, whose sum is σ = 2639478204. Its totient is φ = 2639478202.

The previous prime is 2639478173. The next prime is 2639478223. The reversal of 2639478203 is 3028749362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2639478203 - 2⁸ = 2639477947 is a prime.

It is a super-2 number, since 2×2639478203² = 13933690368224218418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2639478223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319739101 + 1319739102.

It is an arithmetic number, because the mean of its divisors is an integer number (1319739102).

Almost surely, 2^2639478203 is an apocalyptic number.

2639478203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639478203 is an equidigital number, since it uses as much as digits as its factorization.

2639478203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 2639478203 is about 51375.8523335623. The cubic root of 2639478203 is about 1381.9935834845.

The spelling of 2639478203 in words is "two billion, six hundred thirty-nine million, four hundred seventy-eight thousand, two hundred three".