29769991450 has 12 divisors (see below), whose sum is σ = 55372184190. Its totient is φ = 11907996560.

The previous prime is 29769991421. The next prime is 29769991463. The reversal of 29769991450 is 5419996792.

It can be written as a sum of positive squares in 3 ways, for example, as 16751866041 + 13018125409 = 129429^2 + 114097^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297699865 + ... + 297699964.

Almost surely, 2^29769991450 is an apocalyptic number.

29769991450 is a deficient number, since it is larger than the sum of its proper divisors (25602192740).

29769991450 is a wasteful number, since it uses less digits than its factorization.

29769991450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595399841 (or 595399836 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 29769991450 in words is "twenty-nine billion, seven hundred sixty-nine million, nine hundred ninety-one thousand, four hundred fifty".