769290370449 has 4 divisors (see below), whose sum is σ = 1025720493936. Its totient is φ = 512860246964.

The previous prime is 769290370439. The next prime is 769290370487. The reversal of 769290370449 is 944073092967.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 769290370449 - 2¹⁹ = 769289846161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 769290370392 and 769290370401.

It is not an unprimeable number, because it can be changed into a prime (769290370439) 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, 128215061739 + ... + 128215061744.

It is an arithmetic number, because the mean of its divisors is an integer number (256430123484).

Almost surely, 2^769290370449 is an apocalyptic number.

It is an amenable number.

769290370449 is a deficient number, since it is larger than the sum of its proper divisors (256430123487).

769290370449 is a wasteful number, since it uses less digits than its factorization.

769290370449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256430123486.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 769290370449 in words is "seven hundred sixty-nine billion, two hundred ninety million, three hundred seventy thousand, four hundred forty-nine".