1949020091422 has 8 divisors (see below), whose sum is σ = 2925240809400. Its totient is φ = 973939821624.

The previous prime is 1949020091309. The next prime is 1949020091423. The reversal of 1949020091422 is 2241900209491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949020091423) 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, 285107772 + ... + 285114607.

It is an arithmetic number, because the mean of its divisors is an integer number (365655101175).

Almost surely, 2^{1949020091422} is an apocalyptic number.

1949020091422 is a deficient number, since it is larger than the sum of its proper divisors (976220717978).

1949020091422 is a wasteful number, since it uses less digits than its factorization.

1949020091422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570224090.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1949020091422 in words is "one trillion, nine hundred forty-nine billion, twenty million, ninety-one thousand, four hundred twenty-two".