156849119069 has 2 divisors, whose sum is σ = 156849119070. Its totient is φ = 156849119068.

The previous prime is 156849119059. The next prime is 156849119083. The reversal of 156849119069 is 960911948651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156311111044 + 538008025 = 395362^2 + 23195^2 .

It is a cyclic number.

It is not a de Polignac number, because 156849119069 - 2⁸ = 156849118813 is a prime.

It is a super-2 number, since 2×156849119069² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156849118999 and 156849119017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156849119059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78424559534 + 78424559535.

It is an arithmetic number, because the mean of its divisors is an integer number (78424559535).

Almost surely, 2^156849119069 is an apocalyptic number.

It is an amenable number.

156849119069 is a deficient number, since it is larger than the sum of its proper divisors (1).

156849119069 is an equidigital number, since it uses as much as digits as its factorization.

156849119069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 59.

The spelling of 156849119069 in words is "one hundred fifty-six billion, eight hundred forty-nine million, one hundred nineteen thousand, sixty-nine".