64905130927627 has 2 divisors, whose sum is σ = 64905130927628. Its totient is φ = 64905130927626.

The previous prime is 64905130927577. The next prime is 64905130927643. The reversal of 64905130927627 is 72672903150946.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64905130927627 - 2⁴³ = 56109037905419 is a prime.

It is a super-2 number, since 2×64905130927627² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64905130927657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32452565463813 + 32452565463814.

It is an arithmetic number, because the mean of its divisors is an integer number (32452565463814).

Almost surely, 2^{64905130927627} is an apocalyptic number.

64905130927627 is a deficient number, since it is larger than the sum of its proper divisors (1).

64905130927627 is an equidigital number, since it uses as much as digits as its factorization.

64905130927627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 64905130927627 in words is "sixty-four trillion, nine hundred five billion, one hundred thirty million, nine hundred twenty-seven thousand, six hundred twenty-seven".