24972196946 has 4 divisors (see below), whose sum is σ = 37458295422. Its totient is φ = 12486098472.

The previous prime is 24972196943. The next prime is 24972196957. The reversal of 24972196946 is 64969127942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24826729225 + 145467721 = 157565^2 + 12061^2 .

It is a super-2 number, since 2×24972196946² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24972196943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243049235 + ... + 6243049238.

Almost surely, 2^24972196946 is an apocalyptic number.

24972196946 is a deficient number, since it is larger than the sum of its proper divisors (12486098476).

24972196946 is a wasteful number, since it uses less digits than its factorization.

24972196946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486098475.

The product of its digits is 11757312, while the sum is 59.

The spelling of 24972196946 in words is "twenty-four billion, nine hundred seventy-two million, one hundred ninety-six thousand, nine hundred forty-six".