947340142597 has 6 divisors (see below), whose sum is σ = 1006344027218. Its totient is φ = 891614251584.

The previous prime is 947340142583. The next prime is 947340142603. The reversal of 947340142597 is 795241043749.

947340142597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 973314²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 294009035076 + 653331107521 = 542226^2 + 808289^2 .

It is a de Polignac number, because none of the positive numbers 2^k-947340142597 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 (947340142517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638996498 + ... + 1638997075.

Almost surely, 2^947340142597 is an apocalyptic number.

It is an amenable number.

947340142597 is a deficient number, since it is larger than the sum of its proper divisors (59003884621).

947340142597 is a wasteful number, since it uses less digits than its factorization.

947340142597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277993607 (or 3277993590 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 947340142597 in words is "nine hundred forty-seven billion, three hundred forty million, one hundred forty-two thousand, five hundred ninety-seven".