43137849201 has 4 divisors (see below), whose sum is σ = 57517132272. Its totient is φ = 28758566132.

The previous prime is 43137849179. The next prime is 43137849241. The reversal of 43137849201 is 10294873134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43137849201 - 2¹³ = 43137841009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43137849241) 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 in 3 ways as a sum of consecutive naturals, for example, 7189641531 + ... + 7189641536.

It is an arithmetic number, because the mean of its divisors is an integer number (14379283068).

Almost surely, 2^43137849201 is an apocalyptic number.

It is an amenable number.

43137849201 is a deficient number, since it is larger than the sum of its proper divisors (14379283071).

43137849201 is a wasteful number, since it uses less digits than its factorization.

43137849201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379283070.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 43137849201 in words is "forty-three billion, one hundred thirty-seven million, eight hundred forty-nine thousand, two hundred one".