24694649642 has 32 divisors (see below), whose sum is σ = 40722966480. Its totient is φ = 11161566720.

The previous prime is 24694649627. The next prime is 24694649653.

24694649642 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 9788925721 + 14905723921 = 98939^2 + 122089^2 .

It is a super-2 number, since 2×24694649642² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329198 + ... + 397190.

Almost surely, 2^24694649642 is an apocalyptic number.

24694649642 is a deficient number, since it is larger than the sum of its proper divisors (16028316838).

24694649642 is a wasteful number, since it uses less digits than its factorization.

24694649642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68298.

The product of its digits is 17915904, while the sum is 56.

The spelling of 24694649642 in words is "twenty-four billion, six hundred ninety-four million, six hundred forty-nine thousand, six hundred forty-two".