941562989 has 2 divisors, whose sum is σ = 941562990. Its totient is φ = 941562988.

The previous prime is 941562971. The next prime is 941563043. The reversal of 941562989 is 989265149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 878233225 + 63329764 = 29635^2 + 7958^2 .

It is a cyclic number.

It is not a de Polignac number, because 941562989 - 2²⁴ = 924785773 is a prime.

It is a super-2 number, since 2×941562989² = 1773081724509228242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 941562989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (941562929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470781494 + 470781495.

It is an arithmetic number, because the mean of its divisors is an integer number (470781495).

Almost surely, 2^941562989 is an apocalyptic number.

It is an amenable number.

941562989 is a deficient number, since it is larger than the sum of its proper divisors (1).

941562989 is an equidigital number, since it uses as much as digits as its factorization.

941562989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 53.

The square root of 941562989 is about 30684.8983866657. The cubic root of 941562989 is about 980.1287450599.

The spelling of 941562989 in words is "nine hundred forty-one million, five hundred sixty-two thousand, nine hundred eighty-nine".