247135653042 has 16 divisors (see below), whose sum is σ = 494286198912. Its totient is φ = 82376068880.

The previous prime is 247135653031. The next prime is 247135653043. The reversal of 247135653042 is 240356531742.

It is a super-2 number, since 2×247135653042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247135652985 and 247135653003.

It is not an unprimeable number, because it can be changed into a prime (247135653043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398709 + ... + 808232.

It is an arithmetic number, because the mean of its divisors is an integer number (30892887432).

Almost surely, 2^247135653042 is an apocalyptic number.

247135653042 is an abundant number, since it is smaller than the sum of its proper divisors (247150545870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247135653042 is a wasteful number, since it uses less digits than its factorization.

247135653042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241073.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 247135653042 in words is "two hundred forty-seven billion, one hundred thirty-five million, six hundred fifty-three thousand, forty-two".