675378494901 has 96 divisors (see below), whose sum is σ = 1118061584640. Its totient is φ = 388866508800.

The previous prime is 675378494863. The next prime is 675378494909. The reversal of 675378494901 is 109494873576.

675378494901 is a `hidden beast` number, since 6 + 7 + 53 + 7 + 8 + 494 + 90 + 1 = 666.

It is not a de Polignac number, because 675378494901 - 2¹⁰ = 675378493877 is a prime.

It is a super-2 number, since 2×675378494901² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675378494909) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 395188435 + ... + 395190143.

It is an arithmetic number, because the mean of its divisors is an integer number (11646474840).

Almost surely, 2^675378494901 is an apocalyptic number.

It is an amenable number.

675378494901 is a deficient number, since it is larger than the sum of its proper divisors (442683089739).

675378494901 is a wasteful number, since it uses less digits than its factorization.

675378494901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 675378494901 in words is "six hundred seventy-five billion, three hundred seventy-eight million, four hundred ninety-four thousand, nine hundred one".