29797444490 has 16 divisors (see below), whose sum is σ = 58511345760. Its totient is φ = 10835434320.

The previous prime is 29797444489. The next prime is 29797444553. The reversal of 29797444490 is 9444479792.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135442820 + ... + 135443039.

It is an arithmetic number, because the mean of its divisors is an integer number (3656959110).

Almost surely, 2^29797444490 is an apocalyptic number.

29797444490 is a deficient number, since it is larger than the sum of its proper divisors (28713901270).

29797444490 is a wasteful number, since it uses less digits than its factorization.

29797444490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270885877.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 29797444490 in words is "twenty-nine billion, seven hundred ninety-seven million, four hundred forty-four thousand, four hundred ninety".