1029383729649 has 96 divisors (see below), whose sum is σ = 1747603503360. Its totient is φ = 576892108800.

The previous prime is 1029383729641. The next prime is 1029383729687. The reversal of 1029383729649 is 9469273839201.

1029383729649 is a `hidden beast` number, since 10 + 293 + 8 + 3 + 7 + 296 + 49 = 666.

It is not a de Polignac number, because 1029383729649 - 2³ = 1029383729641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029383729641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99269937 + ... + 99280305.

It is an arithmetic number, because the mean of its divisors is an integer number (18204203160).

Almost surely, 2^{1029383729649} is an apocalyptic number.

It is an amenable number.

1029383729649 is a deficient number, since it is larger than the sum of its proper divisors (718219773711).

1029383729649 is a wasteful number, since it uses less digits than its factorization.

1029383729649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431 (or 11428 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 1029383729649 in words is "one trillion, twenty-nine billion, three hundred eighty-three million, seven hundred twenty-nine thousand, six hundred forty-nine".