2140431598 has 4 divisors (see below), whose sum is σ = 3210647400. Its totient is φ = 1070215798.

The previous prime is 2140431581. The next prime is 2140431599. The reversal of 2140431598 is 8951340412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140431599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535107898 + ... + 535107901.

It is an arithmetic number, because the mean of its divisors is an integer number (802661850).

Almost surely, 2^2140431598 is an apocalyptic number.

2140431598 is a deficient number, since it is larger than the sum of its proper divisors (1070215802).

2140431598 is a wasteful number, since it uses less digits than its factorization.

2140431598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070215801.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2140431598 is about 46264.7986918780. The cubic root of 2140431598 is about 1288.7453695124.

The spelling of 2140431598 in words is "two billion, one hundred forty million, four hundred thirty-one thousand, five hundred ninety-eight".