29247163390 has 32 divisors (see below), whose sum is σ = 52885198080. Its totient is φ = 11645587200.

The previous prime is 29247163381. The next prime is 29247163417. The reversal of 29247163390 is 9336174292.

It is a super-2 number, since 2×29247163390² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29247163390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019475 + ... + 2033905.

It is an arithmetic number, because the mean of its divisors is an integer number (1652662440).

Almost surely, 2^29247163390 is an apocalyptic number.

29247163390 is a deficient number, since it is larger than the sum of its proper divisors (23638034690).

29247163390 is a wasteful number, since it uses less digits than its factorization.

29247163390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 29247163390 in words is "twenty-nine billion, two hundred forty-seven million, one hundred sixty-three thousand, three hundred ninety".