241709977951 has 4 divisors (see below), whose sum is σ = 260303053192. Its totient is φ = 223116902712.

The previous prime is 241709977931. The next prime is 241709977963. The reversal of 241709977951 is 159779907142.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241709977951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241709977951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241709977931) 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, 9296537601 + ... + 9296537626.

It is an arithmetic number, because the mean of its divisors is an integer number (65075763298).

Almost surely, 2^241709977951 is an apocalyptic number.

241709977951 is a deficient number, since it is larger than the sum of its proper divisors (18593075241).

241709977951 is a wasteful number, since it uses less digits than its factorization.

241709977951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18593075240.

The product of its (nonzero) digits is 10001880, while the sum is 61.

The spelling of 241709977951 in words is "two hundred forty-one billion, seven hundred nine million, nine hundred seventy-seven thousand, nine hundred fifty-one".