10215948959 has 2 divisors, whose sum is σ = 10215948960. Its totient is φ = 10215948958.

The previous prime is 10215948947. The next prime is 10215948979. The reversal of 10215948959 is 95984951201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10215948959 is a prime.

It is a super-2 number, since 2×10215948959² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10215948959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10215948979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107974479 + 5107974480.

It is an arithmetic number, because the mean of its divisors is an integer number (5107974480).

Almost surely, 2^10215948959 is an apocalyptic number.

10215948959 is a deficient number, since it is larger than the sum of its proper divisors (1).

10215948959 is an equidigital number, since it uses as much as digits as its factorization.

10215948959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 10215948959 in words is "ten billion, two hundred fifteen million, nine hundred forty-eight thousand, nine hundred fifty-nine".