201042412969 has 2 divisors, whose sum is σ = 201042412970. Its totient is φ = 201042412968.

The previous prime is 201042412933. The next prime is 201042413069. The reversal of 201042412969 is 969214240102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171445683600 + 29596729369 = 414060^2 + 172037^2 .

It is a cyclic number.

It is not a de Polignac number, because 201042412969 - 2¹⁷ = 201042281897 is a prime.

It is a super-2 number, since 2×201042412969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201042412919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521206484 + 100521206485.

It is an arithmetic number, because the mean of its divisors is an integer number (100521206485).

Almost surely, 2^201042412969 is an apocalyptic number.

It is an amenable number.

201042412969 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042412969 is an equidigital number, since it uses as much as digits as its factorization.

201042412969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 201042412969 in words is "two hundred one billion, forty-two million, four hundred twelve thousand, nine hundred sixty-nine".