24309794397 has 24 divisors (see below), whose sum is σ = 39689464800. Its totient is φ = 13160187936.

The previous prime is 24309794381. The next prime is 24309794437. The reversal of 24309794397 is 79349790342.

It is not a de Polignac number, because 24309794397 - 2⁴ = 24309794381 is a prime.

It is a super-2 number, since 2×24309794397² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24309794347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4349122 + ... + 4354707.

It is an arithmetic number, because the mean of its divisors is an integer number (1653727700).

Almost surely, 2^24309794397 is an apocalyptic number.

It is an amenable number.

24309794397 is a deficient number, since it is larger than the sum of its proper divisors (15379670403).

24309794397 is a wasteful number, since it uses less digits than its factorization.

24309794397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703865 (or 8703858 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 57.

The spelling of 24309794397 in words is "twenty-four billion, three hundred nine million, seven hundred ninety-four thousand, three hundred ninety-seven".