971773000451 has 16 divisors (see below), whose sum is σ = 1061659294848. Its totient is φ = 882144849600.

The previous prime is 971773000409. The next prime is 971773000481. The reversal of 971773000451 is 154000377179.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 971773000451 - 2²² = 971768806147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971773000481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22327631 + ... + 22371111.

It is an arithmetic number, because the mean of its divisors is an integer number (66353705928).

Almost surely, 2^971773000451 is an apocalyptic number.

971773000451 is the 526925-th centered heptagonal number.

971773000451 is a deficient number, since it is larger than the sum of its proper divisors (89886294397).

971773000451 is a wasteful number, since it uses less digits than its factorization.

971773000451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46402.

The product of its (nonzero) digits is 185220, while the sum is 44.

The spelling of 971773000451 in words is "nine hundred seventy-one billion, seven hundred seventy-three million, four hundred fifty-one", and thus it is an aban number.