4899261806145 has 48 divisors (see below), whose sum is σ = 9709747182720. Its totient is φ = 2238614191872.

The previous prime is 4899261806143. The next prime is 4899261806189. The reversal of 4899261806145 is 5416081629984.

4899261806145 is a `hidden beast` number, since 4 + 8 + 9 + 9 + 2 + 6 + 1 + 8 + 0 + 614 + 5 = 666.

It is not a de Polignac number, because 4899261806145 - 2¹ = 4899261806143 is a prime.

It is a super-2 number, since 2×4899261806145² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4899261806143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2965875 + ... + 4312184.

It is an arithmetic number, because the mean of its divisors is an integer number (202286399640).

Almost surely, 2^{4899261806145} is an apocalyptic number.

4899261806145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4899261806145 is a deficient number, since it is larger than the sum of its proper divisors (4810485376575).

4899261806145 is a wasteful number, since it uses less digits than its factorization.

4899261806145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280214 (or 7280211 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 4899261806145 in words is "four trillion, eight hundred ninety-nine billion, two hundred sixty-one million, eight hundred six thousand, one hundred forty-five".