34001020399 has 2 divisors, whose sum is σ = 34001020400. Its totient is φ = 34001020398.

The previous prime is 34001020373. The next prime is 34001020481. The reversal of 34001020399 is 99302010043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34001020399 - 2⁵ = 34001020367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34001020399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34001020309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000510199 + 17000510200.

It is an arithmetic number, because the mean of its divisors is an integer number (17000510200).

Almost surely, 2^34001020399 is an apocalyptic number.

34001020399 is a deficient number, since it is larger than the sum of its proper divisors (1).

34001020399 is an equidigital number, since it uses as much as digits as its factorization.

34001020399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 34001020399 in words is "thirty-four billion, one million, twenty thousand, three hundred ninety-nine".