38472537553 has 2 divisors, whose sum is σ = 38472537554. Its totient is φ = 38472537552.

The previous prime is 38472537539. The next prime is 38472537629. The reversal of 38472537553 is 35573527483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20561265664 + 17911271889 = 143392^2 + 133833^2 .

It is a cyclic number.

It is not a de Polignac number, because 38472537553 - 2²¹ = 38470440401 is a prime.

It is a super-2 number, since 2×38472537553² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38472537553.

It is not a weakly prime, because it can be changed into another prime (38472537503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19236268776 + 19236268777.

It is an arithmetic number, because the mean of its divisors is an integer number (19236268777).

Almost surely, 2^38472537553 is an apocalyptic number.

It is an amenable number.

38472537553 is a deficient number, since it is larger than the sum of its proper divisors (1).

38472537553 is an equidigital number, since it uses as much as digits as its factorization.

38472537553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584000, while the sum is 52.

The spelling of 38472537553 in words is "thirty-eight billion, four hundred seventy-two million, five hundred thirty-seven thousand, five hundred fifty-three".