2429397640197 has 48 divisors (see below), whose sum is σ = 4162876016832. Its totient is φ = 1348299855360.

The previous prime is 2429397640133. The next prime is 2429397640199. The reversal of 2429397640197 is 7910467939242.

2429397640197 is a `hidden beast` number, since 2 + 42 + 9 + 39 + 76 + 401 + 97 = 666.

It is not a de Polignac number, because 2429397640197 - 2⁶ = 2429397640133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429397640199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19444383 + ... + 19568924.

It is an arithmetic number, because the mean of its divisors is an integer number (86726583684).

Almost surely, 2^{2429397640197} is an apocalyptic number.

It is an amenable number.

2429397640197 is a deficient number, since it is larger than the sum of its proper divisors (1733478376635).

2429397640197 is a wasteful number, since it uses less digits than its factorization.

2429397640197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39013378 (or 39013375 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 2429397640197 in words is "two trillion, four hundred twenty-nine billion, three hundred ninety-seven million, six hundred forty thousand, one hundred ninety-seven".