28103769514 has 4 divisors (see below), whose sum is σ = 42155654274. Its totient is φ = 14051884756.

The previous prime is 28103769511. The next prime is 28103769517. The reversal of 28103769514 is 41596730182.

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

It is an interprime number because it is at equal distance from previous prime (28103769511) and next prime (28103769517).

It can be written as a sum of positive squares in only one way, i.e., 16623718489 + 11480051025 = 128933^2 + 107145^2 .

It is not an unprimeable number, because it can be changed into a prime (28103769511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7025942377 + ... + 7025942380.

It is a 1-persistent number, because it is pandigital, but 2⋅28103769514 = 56207539028 is not.

Almost surely, 2^28103769514 is an apocalyptic number.

28103769514 is a deficient number, since it is larger than the sum of its proper divisors (14051884760).

28103769514 is a wasteful number, since it uses less digits than its factorization.

28103769514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051884759.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 28103769514 in words is "twenty-eight billion, one hundred three million, seven hundred sixty-nine thousand, five hundred fourteen".