901079561537 has 2 divisors, whose sum is σ = 901079561538. Its totient is φ = 901079561536.

The previous prime is 901079561527. The next prime is 901079561579. The reversal of 901079561537 is 735165970109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848469423376 + 52610138161 = 921124^2 + 229369^2 .

It is an emirp because it is prime and its reverse (735165970109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901079561537 - 2³² = 896784594241 is a prime.

It is not a weakly prime, because it can be changed into another prime (901079561507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450539780768 + 450539780769.

It is an arithmetic number, because the mean of its divisors is an integer number (450539780769).

Almost surely, 2^901079561537 is an apocalyptic number.

It is an amenable number.

901079561537 is a deficient number, since it is larger than the sum of its proper divisors (1).

901079561537 is an equidigital number, since it uses as much as digits as its factorization.

901079561537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 901079561537 in words is "nine hundred one billion, seventy-nine million, five hundred sixty-one thousand, five hundred thirty-seven".