5461890651 has 144 divisors (see below), whose sum is σ = 10062594048. Its totient is φ = 2792361600.

The previous prime is 5461890641. The next prime is 5461890671. The reversal of 5461890651 is 1560981645.

5461890651 is a `hidden beast` number, since 546 + 18 + 90 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 5461890651 - 2⁹ = 5461890139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5461890597 and 5461890606.

It is not an unprimeable number, because it can be changed into a prime (5461890641) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 43006950 + ... + 43007076.

Almost surely, 2^5461890651 is an apocalyptic number.

5461890651 is a deficient number, since it is larger than the sum of its proper divisors (4600703397).

5461890651 is a wasteful number, since it uses less digits than its factorization.

5461890651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5461890651 is about 73904.6050730264. The cubic root of 5461890651 is about 1761.0877671122.

The spelling of 5461890651 in words is "five billion, four hundred sixty-one million, eight hundred ninety thousand, six hundred fifty-one".