2721502631 has 2 divisors, whose sum is σ = 2721502632. Its totient is φ = 2721502630.

The previous prime is 2721502621. The next prime is 2721502643. The reversal of 2721502631 is 1362051272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2721502631 - 2²² = 2717308327 is a prime.

It is a super-2 number, since 2×2721502631² = 14813153141079844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2721502594 and 2721502603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721502621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360751315 + 1360751316.

It is an arithmetic number, because the mean of its divisors is an integer number (1360751316).

Almost surely, 2^2721502631 is an apocalyptic number.

2721502631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721502631 is an equidigital number, since it uses as much as digits as its factorization.

2721502631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2721502631 is about 52168.0230696928. The cubic root of 2721502631 is about 1396.1634125816.

The spelling of 2721502631 in words is "two billion, seven hundred twenty-one million, five hundred two thousand, six hundred thirty-one".