2621260783 has 2 divisors, whose sum is σ = 2621260784. Its totient is φ = 2621260782.

The previous prime is 2621260781. The next prime is 2621260847. The reversal of 2621260783 is 3870621262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2621260783 - 2¹ = 2621260781 is a prime.

Together with 2621260781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621260781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310630391 + 1310630392.

It is an arithmetic number, because the mean of its divisors is an integer number (1310630392).

Almost surely, 2^2621260783 is an apocalyptic number.

2621260783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621260783 is an equidigital number, since it uses as much as digits as its factorization.

2621260783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2621260783 is about 51198.2498040705. The cubic root of 2621260783 is about 1378.8067790845.

The spelling of 2621260783 in words is "two billion, six hundred twenty-one million, two hundred sixty thousand, seven hundred eighty-three".