6445477060501 has 2 divisors, whose sum is σ = 6445477060502. Its totient is φ = 6445477060500.

The previous prime is 6445477060499. The next prime is 6445477060511. The reversal of 6445477060501 is 1050607745446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4237117597476 + 2208359463025 = 2058426^2 + 1486055^2 .

It is a cyclic number.

It is not a de Polignac number, because 6445477060501 - 2¹ = 6445477060499 is a prime.

It is a super-2 number, since 2×6445477060501² (a number of 26 digits) contains 22 as substring.

Together with 6445477060499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6445477060511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222738530250 + 3222738530251.

It is an arithmetic number, because the mean of its divisors is an integer number (3222738530251).

Almost surely, 2^{6445477060501} is an apocalyptic number.

It is an amenable number.

6445477060501 is a deficient number, since it is larger than the sum of its proper divisors (1).

6445477060501 is an equidigital number, since it uses as much as digits as its factorization.

6445477060501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 6445477060501 in words is "six trillion, four hundred forty-five billion, four hundred seventy-seven million, sixty thousand, five hundred one".