1950000612517 has 4 divisors (see below), whose sum is σ = 1963087865100. Its totient is φ = 1936913359936.

The previous prime is 1950000612473. The next prime is 1950000612551. The reversal of 1950000612517 is 7152160000591.

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

It can be written as a sum of positive squares in 2 ways, for example, as 941183261316 + 1008817351201 = 970146^2 + 1004399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1950000612517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950000612587) 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, 6543626068 + ... + 6543626365.

It is an arithmetic number, because the mean of its divisors is an integer number (490771966275).

Almost surely, 2^{1950000612517} is an apocalyptic number.

It is an amenable number.

1950000612517 is a deficient number, since it is larger than the sum of its proper divisors (13087252583).

1950000612517 is a wasteful number, since it uses less digits than its factorization.

1950000612517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13087252582.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 1950000612517 in words is "one trillion, nine hundred fifty billion, six hundred twelve thousand, five hundred seventeen".