29149463146 has 16 divisors (see below), whose sum is σ = 44381315880. Its totient is φ = 14357156800.

The previous prime is 29149463087. The next prime is 29149463207. The reversal of 29149463146 is 64136494192.

It can be written as a sum of positive squares in 4 ways, for example, as 21635173921 + 7514289225 = 147089^2 + 86685^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29149463146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326461 + ... + 406048.

Almost surely, 2^29149463146 is an apocalyptic number.

29149463146 is a deficient number, since it is larger than the sum of its proper divisors (15231852734).

29149463146 is a wasteful number, since it uses less digits than its factorization.

29149463146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732809.

The product of its digits is 1119744, while the sum is 49.

The spelling of 29149463146 in words is "twenty-nine billion, one hundred forty-nine million, four hundred sixty-three thousand, one hundred forty-six".