29861036539466 has 24 divisors (see below), whose sum is σ = 50931406021860. Its totient is φ = 13105157098880.

The previous prime is 29861036539427. The next prime is 29861036539469. The reversal of 29861036539466 is 66493563016892.

It can be written as a sum of positive squares in 2 ways, for example, as 25970591938225 + 3890444601241 = 5096135^2 + 1972421^2 .

It is a super-2 number, since 2×29861036539466² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29861036539396 and 29861036539405.

It is not an unprimeable number, because it can be changed into a prime (29861036539469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2127453551 + ... + 2127467586.

Almost surely, 2^{29861036539466} is an apocalyptic number.

29861036539466 is a deficient number, since it is larger than the sum of its proper divisors (21070369482394).

29861036539466 is a wasteful number, since it uses less digits than its factorization.

29861036539466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254921190 (or 4254921179 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 68.

The spelling of 29861036539466 in words is "twenty-nine trillion, eight hundred sixty-one billion, thirty-six million, five hundred thirty-nine thousand, four hundred sixty-six".