247463474390 has 32 divisors (see below), whose sum is σ = 487490814720. Its totient is φ = 89697359200.

The previous prime is 247463474389. The next prime is 247463474393. The reversal of 247463474390 is 93474364742.

It is a happy number.

It is a super-2 number, since 2×247463474390² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247463474393) 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, 3582620 + ... + 3651039.

It is an arithmetic number, because the mean of its divisors is an integer number (15234087960).

Almost surely, 2^247463474390 is an apocalyptic number.

247463474390 is a deficient number, since it is larger than the sum of its proper divisors (240027340330).

247463474390 is a wasteful number, since it uses less digits than its factorization.

247463474390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233988.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 247463474390 in words is "two hundred forty-seven billion, four hundred sixty-three million, four hundred seventy-four thousand, three hundred ninety".