245193864292 has 18 divisors (see below), whose sum is σ = 464635119858. Its totient is φ = 113166398592.

The previous prime is 245193864277. The next prime is 245193864299. The reversal of 245193864292 is 292468391542.

It can be written as a sum of positive squares in 3 ways, for example, as 20284595776 + 224909268516 = 142424^2 + 474246^2 .

It is a super-2 number, since 2×245193864292² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245193864299) 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, 181355733 + ... + 181357084.

Almost surely, 2^245193864292 is an apocalyptic number.

It is an amenable number.

245193864292 is a deficient number, since it is larger than the sum of its proper divisors (219441255566).

245193864292 is a wasteful number, since it uses less digits than its factorization.

245193864292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362712847 (or 362712832 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 245193864292 in words is "two hundred forty-five billion, one hundred ninety-three million, eight hundred sixty-four thousand, two hundred ninety-two".