761354049985 has 4 divisors (see below), whose sum is σ = 913624859988. Its totient is φ = 609083239984.

The previous prime is 761354049971. The next prime is 761354049997. The reversal of 761354049985 is 589940453167.

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

It can be written as a sum of positive squares in 2 ways, for example, as 456262422784 + 305091627201 = 675472^2 + 552351^2 .

It is a cyclic number.

It is not a de Polignac number, because 761354049985 - 2¹³ = 761354041793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76135404994 + ... + 76135405003.

It is an arithmetic number, because the mean of its divisors is an integer number (228406214997).

Almost surely, 2^761354049985 is an apocalyptic number.

It is an amenable number.

761354049985 is a deficient number, since it is larger than the sum of its proper divisors (152270810003).

761354049985 is a wasteful number, since it uses less digits than its factorization.

761354049985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152270810002.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 761354049985 in words is "seven hundred sixty-one billion, three hundred fifty-four million, forty-nine thousand, nine hundred eighty-five".