1019992942810 has 8 divisors (see below), whose sum is σ = 1835987297076. Its totient is φ = 407997177120.

The previous prime is 1019992942783. The next prime is 1019992942823. The reversal of 1019992942810 is 182492999101.

It is a Cunningham number, because it is equal to 1009947²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1019992942809 + 1 = 1009947^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1019992942810² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50999647131 + ... + 50999647150.

Almost surely, 2^{1019992942810} is an apocalyptic number.

1019992942810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1019992942810 is a deficient number, since it is larger than the sum of its proper divisors (815994354266).

1019992942810 is a wasteful number, since it uses less digits than its factorization.

1019992942810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101999294288.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 1019992942810 in words is "one trillion, nineteen billion, nine hundred ninety-two million, nine hundred forty-two thousand, eight hundred ten".