8970895136551 has 4 divisors (see below), whose sum is σ = 8972304110272. Its totient is φ = 8969486162832.

The previous prime is 8970895136537. The next prime is 8970895136587. The reversal of 8970895136551 is 1556315980798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8970895136551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970895139551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704477310 + ... + 704490043.

It is an arithmetic number, because the mean of its divisors is an integer number (2243076027568).

Almost surely, 2^{8970895136551} is an apocalyptic number.

8970895136551 is a deficient number, since it is larger than the sum of its proper divisors (1408973721).

8970895136551 is a wasteful number, since it uses less digits than its factorization.

8970895136551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408973720.

The product of its (nonzero) digits is 81648000, while the sum is 67.

The spelling of 8970895136551 in words is "eight trillion, nine hundred seventy billion, eight hundred ninety-five million, one hundred thirty-six thousand, five hundred fifty-one".