30894737450 has 24 divisors (see below), whose sum is σ = 57473261580. Its totient is φ = 12355948800.

The previous prime is 30894737443. The next prime is 30894737453. The reversal of 30894737450 is 5473749803.

It can be written as a sum of positive squares in 6 ways, for example, as 5042278081 + 25852459369 = 71009^2 + 160787^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (30894737453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296210 + ... + 386690.

Almost surely, 2^30894737450 is an apocalyptic number.

30894737450 is a deficient number, since it is larger than the sum of its proper divisors (26578524130).

30894737450 is a wasteful number, since it uses less digits than its factorization.

30894737450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97322 (or 97317 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 30894737450 in words is "thirty billion, eight hundred ninety-four million, seven hundred thirty-seven thousand, four hundred fifty".