19699090754 has 16 divisors (see below), whose sum is σ = 34323475776. Its totient is φ = 8304066000.

The previous prime is 19699090753. The next prime is 19699090759. The reversal of 19699090754 is 45709099691.

It is a junction number, because it is equal to n+sod(n) for n = 19699090693 and 19699090702.

It is not an unprimeable number, because it can be changed into a prime (19699090753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11532572 + ... + 11534279.

It is an arithmetic number, because the mean of its divisors is an integer number (2145217236).

Almost surely, 2^19699090754 is an apocalyptic number.

19699090754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19699090754 is a deficient number, since it is larger than the sum of its proper divisors (14624385022).

19699090754 is a wasteful number, since it uses less digits than its factorization.

19699090754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23066921.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 19699090754 in words is "nineteen billion, six hundred ninety-nine million, ninety thousand, seven hundred fifty-four".