69490647770 has 16 divisors (see below), whose sum is σ = 125144911008. Its totient is φ = 27782538000.

The previous prime is 69490647739. The next prime is 69490647781. The reversal of 69490647770 is 7774609496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693856 + ... + 1734395.

It is an arithmetic number, because the mean of its divisors is an integer number (7821556938).

Almost surely, 2^69490647770 is an apocalyptic number.

69490647770 is a deficient number, since it is larger than the sum of its proper divisors (55654263238).

69490647770 is a wasteful number, since it uses less digits than its factorization.

69490647770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430285.

The product of its (nonzero) digits is 16003008, while the sum is 59.

The spelling of 69490647770 in words is "sixty-nine billion, four hundred ninety million, six hundred forty-seven thousand, seven hundred seventy".