901522506641 has 2 divisors, whose sum is σ = 901522506642. Its totient is φ = 901522506640.

The previous prime is 901522506593. The next prime is 901522506659. The reversal of 901522506641 is 146605225109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730067713600 + 171454793041 = 854440^2 + 414071^2 .

It is a cyclic number.

It is not a de Polignac number, because 901522506641 - 2³⁴ = 884342637457 is a prime.

It is not a weakly prime, because it can be changed into another prime (901522506671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450761253320 + 450761253321.

It is an arithmetic number, because the mean of its divisors is an integer number (450761253321).

Almost surely, 2^901522506641 is an apocalyptic number.

It is an amenable number.

901522506641 is a deficient number, since it is larger than the sum of its proper divisors (1).

901522506641 is an equidigital number, since it uses as much as digits as its factorization.

901522506641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 901522506641 in words is "nine hundred one billion, five hundred twenty-two million, five hundred six thousand, six hundred forty-one".