29870249380 has 12 divisors (see below), whose sum is σ = 62727523740. Its totient is φ = 11948099744.

The previous prime is 29870249377. The next prime is 29870249389. The reversal of 29870249380 is 8394207892.

It can be written as a sum of positive squares in 2 ways, for example, as 3077142784 + 26793106596 = 55472^2 + 163686^2 .

It is not an unprimeable number, because it can be changed into a prime (29870249389) 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, 746756215 + ... + 746756254.

It is an arithmetic number, because the mean of its divisors is an integer number (5227293645).

Almost surely, 2^29870249380 is an apocalyptic number.

29870249380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29870249380 is an abundant number, since it is smaller than the sum of its proper divisors (32857274360).

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

29870249380 is a wasteful number, since it uses less digits than its factorization.

29870249380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493512478 (or 1493512476 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 29870249380 in words is "twenty-nine billion, eight hundred seventy million, two hundred forty-nine thousand, three hundred eighty".