245422341261 has 16 divisors (see below), whose sum is σ = 363602971200. Its totient is φ = 163608451344.

The previous prime is 245422341257. The next prime is 245422341277. The reversal of 245422341261 is 162143224542.

245422341261 is a `hidden beast` number, since 2 + 4 + 54 + 2 + 2 + 341 + 261 = 666.

It is not a de Polignac number, because 245422341261 - 2² = 245422341257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245422341221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577530 + ... + 907956.

It is an arithmetic number, because the mean of its divisors is an integer number (22725185700).

Almost surely, 2^245422341261 is an apocalyptic number.

It is an amenable number.

245422341261 is a deficient number, since it is larger than the sum of its proper divisors (118180629939).

245422341261 is a wasteful number, since it uses less digits than its factorization.

245422341261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357945 (or 357939 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 245422341261 in words is "two hundred forty-five billion, four hundred twenty-two million, three hundred forty-one thousand, two hundred sixty-one".