649654034 has 8 divisors (see below), whose sum is σ = 976126140. Its totient is φ = 324278656.

The previous prime is 649654009. The next prime is 649654091. The reversal of 649654034 is 430456946.

It can be written as a sum of positive squares in 2 ways, for example, as 535228225 + 114425809 = 23135^2 + 10697^2 .

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

It is a super-3 number, since 3×649654034³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 649653982 and 649654000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272699 + ... + 275070.

Almost surely, 2^649654034 is an apocalyptic number.

649654034 is a deficient number, since it is larger than the sum of its proper divisors (326472106).

649654034 is a wasteful number, since it uses less digits than its factorization.

649654034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548364.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 649654034 is about 25488.3117134109. The cubic root of 649654034 is about 866.0853912566.

The spelling of 649654034 in words is "six hundred forty-nine million, six hundred fifty-four thousand, thirty-four".