830149156787859 has 16 divisors (see below), whose sum is σ = 1229891380043040. Its totient is φ = 553414421364480.

The previous prime is 830149156787857. The next prime is 830149156787891. The reversal of 830149156787859 is 958787651941038.

It is a happy number.

830149156787859 is a `hidden beast` number, since 8 + 3 + 0 + 1 + 49 + 1 + 567 + 8 + 7 + 8 + 5 + 9 = 666.

It is not a de Polignac number, because 830149156787859 - 2¹ = 830149156787857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830149156787857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508888002 + ... + 510516695.

It is an arithmetic number, because the mean of its divisors is an integer number (76868211252690).

Almost surely, 2^{830149156787859} is an apocalyptic number.

830149156787859 is a deficient number, since it is larger than the sum of its proper divisors (399742223255181).

830149156787859 is a wasteful number, since it uses less digits than its factorization.

830149156787859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019434867 (or 1019434861 counting only the distinct ones).

The product of its (nonzero) digits is 3657830400, while the sum is 81.

The spelling of 830149156787859 in words is "eight hundred thirty trillion, one hundred forty-nine billion, one hundred fifty-six million, seven hundred eighty-seven thousand, eight hundred fifty-nine".