649374203 has 8 divisors (see below), whose sum is σ = 677880576. Its totient is φ = 620890600.

The previous prime is 649374199. The next prime is 649374239. The reversal of 649374203 is 302473946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 649374203 - 2² = 649374199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649374263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80588 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (84735072).

Almost surely, 2^649374203 is an apocalyptic number.

649374203 is a deficient number, since it is larger than the sum of its proper divisors (28506373).

649374203 is a wasteful number, since it uses less digits than its factorization.

649374203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 649374203 is about 25482.8217236632. The cubic root of 649374203 is about 865.9610212923.

The spelling of 649374203 in words is "six hundred forty-nine million, three hundred seventy-four thousand, two hundred three".