11406769938 has 12 divisors (see below), whose sum is σ = 24714668238. Its totient is φ = 3802256640.

The previous prime is 11406769921. The next prime is 11406769943. The reversal of 11406769938 is 83996760411.

It can be written as a sum of positive squares in only one way, i.e., 11220529329 + 186240609 = 105927^2 + 13647^2 .

It is a super-2 number, since 2×11406769938² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316854703 + ... + 316854738.

Almost surely, 2^11406769938 is an apocalyptic number.

11406769938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11406769938 is an abundant number, since it is smaller than the sum of its proper divisors (13307898300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11406769938 is a wasteful number, since it uses less digits than its factorization.

11406769938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633709449 (or 633709446 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 11406769938 in words is "eleven billion, four hundred six million, seven hundred sixty-nine thousand, nine hundred thirty-eight".