2100670404525 has 864 divisors, whose sum is σ = 5307690286080. Its totient is φ = 799497216000.

The previous prime is 2100670404467. The next prime is 2100670404571. The reversal of 2100670404525 is 5254040760012.

It is a happy number.

2100670404525 is a `hidden beast` number, since 2 + 100 + 67 + 0 + 40 + 452 + 5 = 666.

It is not a de Polignac number, because 2100670404525 - 2⁶ = 2100670404461 is a prime.

It is a super-2 number, since 2×2100670404525² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100670404525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 5542665786 + ... + 5542666164.

Almost surely, 2^{2100670404525} is an apocalyptic number.

2100670404525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100670404525 is an abundant number, since it is smaller than the sum of its proper divisors (3207019881555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100670404525 is a wasteful number, since it uses less digits than its factorization.

2100670404525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 2100670404525 in words is "two trillion, one hundred billion, six hundred seventy million, four hundred four thousand, five hundred twenty-five".