6545260620436 has 36 divisors (see below), whose sum is σ = 12005724249792. Its totient is φ = 3121711205536.

The previous prime is 6545260620427. The next prime is 6545260620443. The reversal of 6545260620436 is 6340260625456.

It is a self number, because there is not a number n which added to its sum of digits gives 6545260620436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11441740 + ... + 12000163.

It is an arithmetic number, because the mean of its divisors is an integer number (333492340272).

Almost surely, 2^{6545260620436} is an apocalyptic number.

It is an amenable number.

6545260620436 is a deficient number, since it is larger than the sum of its proper divisors (5460463629356).

6545260620436 is a wasteful number, since it uses less digits than its factorization.

6545260620436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442048 (or 23442017 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 6545260620436 in words is "six trillion, five hundred forty-five billion, two hundred sixty million, six hundred twenty thousand, four hundred thirty-six".