69749921107 has 8 divisors (see below), whose sum is σ = 70372844784. Its totient is φ = 69127097088.

The previous prime is 69749921093. The next prime is 69749921113. The reversal of 69749921107 is 70112994796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69749921107 - 2⁷ = 69749920979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69749921207) by changing a digit.

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, 2704023 + ... + 2729695.

It is an arithmetic number, because the mean of its divisors is an integer number (8796605598).

Almost surely, 2^69749921107 is an apocalyptic number.

69749921107 is a deficient number, since it is larger than the sum of its proper divisors (622923677).

69749921107 is a wasteful number, since it uses less digits than its factorization.

69749921107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49829.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 69749921107 in words is "sixty-nine billion, seven hundred forty-nine million, nine hundred twenty-one thousand, one hundred seven".