10215947369 has 2 divisors, whose sum is σ = 10215947370. Its totient is φ = 10215947368.

The previous prime is 10215947347. The next prime is 10215947389. The reversal of 10215947369 is 96374951201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9572665600 + 643281769 = 97840^2 + 25363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10215947369 - 2¹⁶ = 10215881833 is a prime.

It is a super-2 number, since 2×10215947369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10215947389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107973684 + 5107973685.

It is an arithmetic number, because the mean of its divisors is an integer number (5107973685).

Almost surely, 2^10215947369 is an apocalyptic number.

It is an amenable number.

10215947369 is a deficient number, since it is larger than the sum of its proper divisors (1).

10215947369 is an equidigital number, since it uses as much as digits as its factorization.

10215947369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 10215947369 in words is "ten billion, two hundred fifteen million, nine hundred forty-seven thousand, three hundred sixty-nine".