19029328954 has 4 divisors (see below), whose sum is σ = 28543993434. Its totient is φ = 9514664476.

The previous prime is 19029328931. The next prime is 19029328999. The reversal of 19029328954 is 45982392091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45982392091 = 2099 ⋅21906809.

It can be written as a sum of positive squares in only one way, i.e., 17115703929 + 1913625025 = 130827^2 + 43745^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4757332237 + ... + 4757332240.

Almost surely, 2^19029328954 is an apocalyptic number.

19029328954 is a deficient number, since it is larger than the sum of its proper divisors (9514664480).

19029328954 is an equidigital number, since it uses as much as digits as its factorization.

19029328954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514664479.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19029328954 in words is "nineteen billion, twenty-nine million, three hundred twenty-eight thousand, nine hundred fifty-four".