6545625069 has 16 divisors (see below), whose sum is σ = 8958426624. Its totient is φ = 4249704000.

The previous prime is 6545625049. The next prime is 6545625083. The reversal of 6545625069 is 9605265456.

6545625069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6545625069 - 2¹⁹ = 6545100781 is a prime.

It is a super-2 number, since 2×6545625069² = 85690415087842509522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545625019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158589 + ... + 195554.

It is an arithmetic number, because the mean of its divisors is an integer number (559901664).

Almost surely, 2^6545625069 is an apocalyptic number.

It is an amenable number.

6545625069 is a deficient number, since it is larger than the sum of its proper divisors (2412801555).

6545625069 is a wasteful number, since it uses less digits than its factorization.

6545625069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354308.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The square root of 6545625069 is about 80905.0373524418. The cubic root of 6545625069 is about 1870.6119675333.

It can be divided in two parts, 65456 and 25069, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 6545625069 in words is "six billion, five hundred forty-five million, six hundred twenty-five thousand, sixty-nine".