6499858901403 has 32 divisors (see below), whose sum is σ = 10487324136960. Its totient is φ = 3495670156800.

The previous prime is 6499858901401. The next prime is 6499858901489. The reversal of 6499858901403 is 3041098589946.

It is not a de Polignac number, because 6499858901403 - 2¹ = 6499858901401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6499858901401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42067093 + ... + 42221321.

It is an arithmetic number, because the mean of its divisors is an integer number (327728879280).

Almost surely, 2^{6499858901403} is an apocalyptic number.

6499858901403 is a deficient number, since it is larger than the sum of its proper divisors (3987465235557).

6499858901403 is a wasteful number, since it uses less digits than its factorization.

6499858901403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272307.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 6499858901403 in words is "six trillion, four hundred ninety-nine billion, eight hundred fifty-eight million, nine hundred one thousand, four hundred three".