1029699051379 has 4 divisors (see below), whose sum is σ = 1074468575376. Its totient is φ = 984929527384.

The previous prime is 1029699051371. The next prime is 1029699051391. The reversal of 1029699051379 is 9731509969201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1029699051379 - 2³ = 1029699051371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029699051371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22384761964 + ... + 22384762009.

It is an arithmetic number, because the mean of its divisors is an integer number (268617143844).

Almost surely, 2^{1029699051379} is an apocalyptic number.

1029699051379 is a deficient number, since it is larger than the sum of its proper divisors (44769523997).

1029699051379 is an equidigital number, since it uses as much as digits as its factorization.

1029699051379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44769523996.

The product of its (nonzero) digits is 8266860, while the sum is 61.

The spelling of 1029699051379 in words is "one trillion, twenty-nine billion, six hundred ninety-nine million, fifty-one thousand, three hundred seventy-nine".