6545260620437 has 16 divisors (see below), whose sum is σ = 8160394526592. Its totient is φ = 5100159582720.

The previous prime is 6545260620427. The next prime is 6545260620443. The reversal of 6545260620437 is 7340260625456.

It is a cyclic number.

It is not a de Polignac number, because 6545260620437 - 2⁶ = 6545260620373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545260620427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11037533 + ... + 11615405.

It is an arithmetic number, because the mean of its divisors is an integer number (510024657912).

Almost surely, 2^{6545260620437} is an apocalyptic number.

It is an amenable number.

6545260620437 is a deficient number, since it is larger than the sum of its proper divisors (1615133906155).

6545260620437 is a wasteful number, since it uses less digits than its factorization.

6545260620437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724988.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 6545260620437 in words is "six trillion, five hundred forty-five billion, two hundred sixty million, six hundred twenty thousand, four hundred thirty-seven".