693774050761 has 9 divisors (see below), whose sum is σ = 762588159879. Its totient is φ = 630695353200.

The previous prime is 693774050747. The next prime is 693774050771. The reversal of 693774050761 is 167050477396.

The square root of 693774050761 is 832931.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2215490761 + 691558560000 = 47069^2 + 831600^2 .

It is not a de Polignac number, because 693774050761 - 2¹⁷ = 693773919689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693774050771) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9124381 + ... + 9200101.

Almost surely, 2^693774050761 is an apocalyptic number.

693774050761 is the 832931-st square number.

693774050761 is the 416466-th centered octagonal number.

It is an amenable number.

693774050761 is a deficient number, since it is larger than the sum of its proper divisors (68814109118).

693774050761 is an frugal number, since it uses more digits than its factorization.

693774050761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151464 (or 75732 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 693774050761 in words is "six hundred ninety-three billion, seven hundred seventy-four million, fifty thousand, seven hundred sixty-one".