997603950534 has 16 divisors (see below), whose sum is σ = 2024987124288. Its totient is φ = 327571446312.

The previous prime is 997603950533. The next prime is 997603950571. The reversal of 997603950534 is 435059306799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997603950533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240800532 + ... + 1240801335.

It is an arithmetic number, because the mean of its divisors is an integer number (126561695268).

Almost surely, 2^997603950534 is an apocalyptic number.

997603950534 is an abundant number, since it is smaller than the sum of its proper divisors (1027383173754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997603950534 is a wasteful number, since it uses less digits than its factorization.

997603950534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481601939.

The product of its (nonzero) digits is 27556200, while the sum is 60.

The spelling of 997603950534 in words is "nine hundred ninety-seven billion, six hundred three million, nine hundred fifty thousand, five hundred thirty-four".