2071391900398 has 4 divisors (see below), whose sum is σ = 3107087850600. Its totient is φ = 1035695950198.

The previous prime is 2071391900351. The next prime is 2071391900401. The reversal of 2071391900398 is 8930091931702.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517847975098 + ... + 517847975101.

It is an arithmetic number, because the mean of its divisors is an integer number (776771962650).

Almost surely, 2^{2071391900398} is an apocalyptic number.

2071391900398 is a deficient number, since it is larger than the sum of its proper divisors (1035695950202).

2071391900398 is a wasteful number, since it uses less digits than its factorization.

2071391900398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035695950201.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 2071391900398 in words is "two trillion, seventy-one billion, three hundred ninety-one million, nine hundred thousand, three hundred ninety-eight".