249070607843 has 4 divisors (see below), whose sum is σ = 253770053328. Its totient is φ = 244371162360.

The previous prime is 249070607839. The next prime is 249070607867. The reversal of 249070607843 is 348706070942.

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

It is a cyclic number.

It is not a de Polignac number, because 249070607843 - 2² = 249070607839 is a prime.

It is a super-2 number, since 2×249070607843² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249070607791 and 249070607800.

It is not an unprimeable number, because it can be changed into a prime (249070607873) 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, 2349722663 + ... + 2349722768.

It is an arithmetic number, because the mean of its divisors is an integer number (63442513332).

Almost surely, 2^249070607843 is an apocalyptic number.

249070607843 is a deficient number, since it is larger than the sum of its proper divisors (4699445485).

249070607843 is an equidigital number, since it uses as much as digits as its factorization.

249070607843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699445484.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 249070607843 in words is "two hundred forty-nine billion, seventy million, six hundred seven thousand, eight hundred forty-three".