649100462 has 4 divisors (see below), whose sum is σ = 973650696. Its totient is φ = 324550230.

The previous prime is 649100461. The next prime is 649100567. The reversal of 649100462 is 264001946.

It is a happy number.

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

It is a super-3 number, since 3×649100462³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649100461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162275114 + ... + 162275117.

It is an arithmetic number, because the mean of its divisors is an integer number (243412674).

Almost surely, 2^649100462 is an apocalyptic number.

649100462 is a deficient number, since it is larger than the sum of its proper divisors (324550234).

649100462 is a wasteful number, since it uses less digits than its factorization.

649100462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324550233.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 649100462 is about 25477.4500686391. The cubic root of 649100462 is about 865.8393234322.

The spelling of 649100462 in words is "six hundred forty-nine million, one hundred thousand, four hundred sixty-two".