1149790374869 has 16 divisors (see below), whose sum is σ = 1222043665920. Its totient is φ = 1079733291840.

The previous prime is 1149790374847. The next prime is 1149790374911. The reversal of 1149790374869 is 9684730979411.

It is a cyclic number.

It is not a de Polignac number, because 1149790374869 - 2²⁴ = 1149773597653 is a prime.

It is a super-2 number, since 2×1149790374869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149790374799 and 1149790374808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149790374829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679164 + ... + 3078554.

It is an arithmetic number, because the mean of its divisors is an integer number (76377729120).

Almost surely, 2^{1149790374869} is an apocalyptic number.

It is an amenable number.

1149790374869 is a deficient number, since it is larger than the sum of its proper divisors (72253291051).

1149790374869 is a wasteful number, since it uses less digits than its factorization.

1149790374869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402140.

The product of its (nonzero) digits is 82301184, while the sum is 68.

The spelling of 1149790374869 in words is "one trillion, one hundred forty-nine billion, seven hundred ninety million, three hundred seventy-four thousand, eight hundred sixty-nine".