2457219064 has 8 divisors (see below), whose sum is σ = 4607285760. Its totient is φ = 1228609528.

The previous prime is 2457219031. The next prime is 2457219071. The reversal of 2457219064 is 4609127542.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153576184 + ... + 153576199.

It is an arithmetic number, because the mean of its divisors is an integer number (575910720).

Almost surely, 2^2457219064 is an apocalyptic number.

It is an amenable number.

2457219064 is a deficient number, since it is larger than the sum of its proper divisors (2150066696).

2457219064 is a wasteful number, since it uses less digits than its factorization.

2457219064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307152389 (or 307152385 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2457219064 is about 49570.3446023931. The cubic root of 2457219064 is about 1349.4225356487.

The spelling of 2457219064 in words is "two billion, four hundred fifty-seven million, two hundred nineteen thousand, sixty-four".