1572864606149 has 2 divisors, whose sum is σ = 1572864606150. Its totient is φ = 1572864606148.

The previous prime is 1572864606139. The next prime is 1572864606151. The reversal of 1572864606149 is 9416064682751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221223908100 + 351640698049 = 1105090^2 + 592993^2 .

It is an emirp because it is prime and its reverse (9416064682751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572864606149 is a prime.

It is a super-2 number, since 2×1572864606149² (a number of 25 digits) contains 22 as substring.

Together with 1572864606151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572864606119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786432303074 + 786432303075.

It is an arithmetic number, because the mean of its divisors is an integer number (786432303075).

Almost surely, 2^{1572864606149} is an apocalyptic number.

It is an amenable number.

1572864606149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572864606149 is an equidigital number, since it uses as much as digits as its factorization.

1572864606149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1572864606149 in words is "one trillion, five hundred seventy-two billion, eight hundred sixty-four million, six hundred six thousand, one hundred forty-nine".