612986174007553 has 2 divisors, whose sum is σ = 612986174007554. Its totient is φ = 612986174007552.

The previous prime is 612986174007541. The next prime is 612986174007617. The reversal of 612986174007553 is 355700471689216.

It is an a-pointer prime, because the next prime (612986174007617) can be obtained adding 612986174007553 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349447054411009 + 263539119596544 = 18693503^2 + 16233888^2 .

It is a cyclic number.

It is not a de Polignac number, because 612986174007553 - 2⁹ = 612986174007041 is a prime.

It is not a weakly prime, because it can be changed into another prime (612986174007653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306493087003776 + 306493087003777.

It is an arithmetic number, because the mean of its divisors is an integer number (306493087003777).

It is a 2-persistent number, because it is pandigital, and so is 2⋅612986174007553 = 1225972348015106, but 3⋅612986174007553 = 1838958522022659 is not.

Almost surely, 2^{612986174007553} is an apocalyptic number.

It is an amenable number.

612986174007553 is a deficient number, since it is larger than the sum of its proper divisors (1).

612986174007553 is an equidigital number, since it uses as much as digits as its factorization.

612986174007553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 612986174007553 in words is "six hundred twelve trillion, nine hundred eighty-six billion, one hundred seventy-four million, seven thousand, five hundred fifty-three".