860861423153 has 2 divisors, whose sum is σ = 860861423154. Its totient is φ = 860861423152.

The previous prime is 860861423101. The next prime is 860861423159. The reversal of 860861423153 is 351324168068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476496142369 + 384365280784 = 690287^2 + 619972^2 .

It is a cyclic number.

It is not a de Polignac number, because 860861423153 - 2²⁸ = 860592987697 is a prime.

It is a super-2 number, since 2×860861423153² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 860861423098 and 860861423107.

It is not a weakly prime, because it can be changed into another prime (860861423159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430430711576 + 430430711577.

It is an arithmetic number, because the mean of its divisors is an integer number (430430711577).

Almost surely, 2^860861423153 is an apocalyptic number.

It is an amenable number.

860861423153 is a deficient number, since it is larger than the sum of its proper divisors (1).

860861423153 is an equidigital number, since it uses as much as digits as its factorization.

860861423153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 860861423153 in words is "eight hundred sixty billion, eight hundred sixty-one million, four hundred twenty-three thousand, one hundred fifty-three".