2621136652 has 12 divisors (see below), whose sum is σ = 4593022056. Its totient is φ = 1308844640.

The previous prime is 2621136631. The next prime is 2621136673. The reversal of 2621136652 is 2566311262.

It is an interprime number because it is at equal distance from previous prime (2621136631) and next prime (2621136673).

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 427498 + ... + 433585.

It is an arithmetic number, because the mean of its divisors is an integer number (382751838).

Almost surely, 2^2621136652 is an apocalyptic number.

It is an amenable number.

2621136652 is a deficient number, since it is larger than the sum of its proper divisors (1971885404).

2621136652 is a wasteful number, since it uses less digits than its factorization.

2621136652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861848 (or 861846 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 2621136652 is about 51197.0375314822. The cubic root of 2621136652 is about 1378.7850140663.

The spelling of 2621136652 in words is "two billion, six hundred twenty-one million, one hundred thirty-six thousand, six hundred fifty-two".