1029814991395 has 16 divisors (see below), whose sum is σ = 1312353551808. Its totient is φ = 773089228800.

The previous prime is 1029814991393. The next prime is 1029814991411. The reversal of 1029814991395 is 5931994189201.

It is not a de Polignac number, because 1029814991395 - 2¹ = 1029814991393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029814991393) 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, 17946831 + ... + 18004120.

It is an arithmetic number, because the mean of its divisors is an integer number (82022096988).

Almost surely, 2^{1029814991395} is an apocalyptic number.

1029814991395 is a deficient number, since it is larger than the sum of its proper divisors (282538560413).

1029814991395 is a wasteful number, since it uses less digits than its factorization.

1029814991395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35951310.

The product of its (nonzero) digits is 6298560, while the sum is 61.

The spelling of 1029814991395 in words is "one trillion, twenty-nine billion, eight hundred fourteen million, nine hundred ninety-one thousand, three hundred ninety-five".