2620478837 has 2 divisors, whose sum is σ = 2620478838. Its totient is φ = 2620478836.

The previous prime is 2620478813. The next prime is 2620478851. The reversal of 2620478837 is 7388740262.

2620478837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2609779396 + 10699441 = 51086^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620478837 - 2²² = 2616284533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2620478791 and 2620478800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620478807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310239418 + 1310239419.

It is an arithmetic number, because the mean of its divisors is an integer number (1310239419).

Almost surely, 2^2620478837 is an apocalyptic number.

It is an amenable number.

2620478837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620478837 is an equidigital number, since it uses as much as digits as its factorization.

2620478837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 2620478837 is about 51190.6127820326. The cubic root of 2620478837 is about 1378.6696619031.

The spelling of 2620478837 in words is "two billion, six hundred twenty million, four hundred seventy-eight thousand, eight hundred thirty-seven".