6545021431630 has 16 divisors (see below), whose sum is σ = 12852042084144. Its totient is φ = 2380007793280.

The previous prime is 6545021431607. The next prime is 6545021431633. The reversal of 6545021431630 is 361341205456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545021431633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29750097307 + ... + 29750097526.

It is an arithmetic number, because the mean of its divisors is an integer number (803252630259).

Almost surely, 2^{6545021431630} is an apocalyptic number.

6545021431630 is a deficient number, since it is larger than the sum of its proper divisors (6307020652514).

6545021431630 is a wasteful number, since it uses less digits than its factorization.

6545021431630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59500194851.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 6545021431630 in words is "six trillion, five hundred forty-five billion, twenty-one million, four hundred thirty-one thousand, six hundred thirty".