2620479551 has 2 divisors, whose sum is σ = 2620479552. Its totient is φ = 2620479550.

The previous prime is 2620479517. The next prime is 2620479571. The reversal of 2620479551 is 1559740262.

2620479551 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 is a cyclic number.

It is not a de Polignac number, because 2620479551 - 2¹⁸ = 2620217407 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2620479499 and 2620479508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620479571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310239775 + 1310239776.

It is an arithmetic number, because the mean of its divisors is an integer number (1310239776).

Almost surely, 2^2620479551 is an apocalyptic number.

2620479551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620479551 is an equidigital number, since it uses as much as digits as its factorization.

2620479551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 2620479551 is about 51190.6197559670. The cubic root of 2620479551 is about 1378.6697871181.

The spelling of 2620479551 in words is "two billion, six hundred twenty million, four hundred seventy-nine thousand, five hundred fifty-one".