10699771042 has 4 divisors (see below), whose sum is σ = 16049656566. Its totient is φ = 5349885520.

The previous prime is 10699771031. The next prime is 10699771079. The reversal of 10699771042 is 24017799601.

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

It can be written as a sum of positive squares in only one way, i.e., 9958243681 + 741527361 = 99791^2 + 27231^2 .

It is a super-2 number, since 2×10699771042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10699770983 and 10699771001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2674942759 + ... + 2674942762.

Almost surely, 2^10699771042 is an apocalyptic number.

10699771042 is a deficient number, since it is larger than the sum of its proper divisors (5349885524).

10699771042 is an equidigital number, since it uses as much as digits as its factorization.

10699771042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349885523.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 10699771042 in words is "ten billion, six hundred ninety-nine million, seven hundred seventy-one thousand, forty-two".