4007250649 has 4 divisors (see below), whose sum is σ = 4046926500. Its totient is φ = 3967574800.

The previous prime is 4007250629. The next prime is 4007250683. The reversal of 4007250649 is 9460527004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3694208400 + 313042249 = 60780^2 + 17693^2 .

It is a cyclic number.

It is not a de Polignac number, because 4007250649 - 2⁵ = 4007250617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4007250629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19837774 + ... + 19837975.

It is an arithmetic number, because the mean of its divisors is an integer number (1011731625).

Almost surely, 2^4007250649 is an apocalyptic number.

It is an amenable number.

4007250649 is a deficient number, since it is larger than the sum of its proper divisors (39675851).

4007250649 is a wasteful number, since it uses less digits than its factorization.

4007250649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39675850.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 4007250649 is about 63302.8486641794. The cubic root of 4007250649 is about 1588.3596136726.

The spelling of 4007250649 in words is "four billion, seven million, two hundred fifty thousand, six hundred forty-nine".