1929290920013 has 4 divisors (see below), whose sum is σ = 1970339663040. Its totient is φ = 1888242176988.

The previous prime is 1929290920001. The next prime is 1929290920021. The reversal of 1929290920013 is 3100290929291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1929290920013 - 2³⁸ = 1654413013069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 41048742979 = 1929290920013 / (1 + 9 + 2 + 9 + 2 + 9 + 0 + 9 + 2 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1929290920013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1929290920033) 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, 20524371443 + ... + 20524371536.

It is an arithmetic number, because the mean of its divisors is an integer number (492584915760).

Almost surely, 2^{1929290920013} is an apocalyptic number.

It is an amenable number.

1929290920013 is a deficient number, since it is larger than the sum of its proper divisors (41048743027).

1929290920013 is an equidigital number, since it uses as much as digits as its factorization.

1929290920013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41048743026.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 1929290920013 in words is "one trillion, nine hundred twenty-nine billion, two hundred ninety million, nine hundred twenty thousand, thirteen".