2488619621 has 2 divisors, whose sum is σ = 2488619622. Its totient is φ = 2488619620.

The previous prime is 2488619557. The next prime is 2488619629. The reversal of 2488619621 is 1269168842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254151396 + 1234468225 = 35414^2 + 35135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488619621 - 2⁶ = 2488619557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488619629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244309810 + 1244309811.

It is an arithmetic number, because the mean of its divisors is an integer number (1244309811).

Almost surely, 2^2488619621 is an apocalyptic number.

It is an amenable number.

2488619621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488619621 is an equidigital number, since it uses as much as digits as its factorization.

2488619621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 2488619621 is about 49886.0664013510. The cubic root of 2488619621 is about 1355.1462687106.

The spelling of 2488619621 in words is "two billion, four hundred eighty-eight million, six hundred nineteen thousand, six hundred twenty-one".