64537210245451 has 2 divisors, whose sum is σ = 64537210245452. Its totient is φ = 64537210245450.

The previous prime is 64537210245433. The next prime is 64537210245617. The reversal of 64537210245451 is 15454201273546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64537210245451 - 2³⁵ = 64502850507083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64537210245395 and 64537210245404.

It is not a weakly prime, because it can be changed into another prime (64537210345451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32268605122725 + 32268605122726.

It is an arithmetic number, because the mean of its divisors is an integer number (32268605122726).

Almost surely, 2^{64537210245451} is an apocalyptic number.

64537210245451 is a deficient number, since it is larger than the sum of its proper divisors (1).

64537210245451 is an equidigital number, since it uses as much as digits as its factorization.

64537210245451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 64537210245451 in words is "sixty-four trillion, five hundred thirty-seven billion, two hundred ten million, two hundred forty-five thousand, four hundred fifty-one".