247594495742 has 12 divisors (see below), whose sum is σ = 408223983048. Its totient is φ = 112542952500.

The previous prime is 247594495721. The next prime is 247594495763.

247594495742 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (247594495721) and next prime (247594495763).

It is a super-2 number, since 2×247594495742² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511558634 + ... + 511559117.

It is an arithmetic number, because the mean of its divisors is an integer number (34018665254).

Almost surely, 2^247594495742 is an apocalyptic number.

247594495742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247594495742 is a deficient number, since it is larger than the sum of its proper divisors (160629487306).

247594495742 is a wasteful number, since it uses less digits than its factorization.

247594495742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023117775 (or 1023117764 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 62.

The spelling of 247594495742 in words is "two hundred forty-seven billion, five hundred ninety-four million, four hundred ninety-five thousand, seven hundred forty-two".