1000019829951 has 48 divisors (see below), whose sum is σ = 1542157125600. Its totient is φ = 622645346304.

The previous prime is 1000019829911. The next prime is 1000019829959. The reversal of 1000019829951 is 1599289100001.

It is not a de Polignac number, because 1000019829951 - 2²⁶ = 999952721087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000019829897 and 1000019829906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000019829959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4145565 + ... + 4380153.

It is an arithmetic number, because the mean of its divisors is an integer number (32128273450).

Almost surely, 2^{1000019829951} is an apocalyptic number.

1000019829951 is a deficient number, since it is larger than the sum of its proper divisors (542137295649).

1000019829951 is a wasteful number, since it uses less digits than its factorization.

1000019829951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234968 (or 234965 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 45.

The spelling of 1000019829951 in words is "one trillion, nineteen million, eight hundred twenty-nine thousand, nine hundred fifty-one".