812629409950 has 24 divisors (see below), whose sum is σ = 1514933774640. Its totient is φ = 324311318400.

The previous prime is 812629409941. The next prime is 812629409959. The reversal of 812629409950 is 59904926218.

It is an interprime number because it is at equal distance from previous prime (812629409941) and next prime (812629409959).

It is a junction number, because it is equal to n+sod(n) for n = 812629409891 and 812629409900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812629409959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18488971 + ... + 18532870.

It is an arithmetic number, because the mean of its divisors is an integer number (63122240610).

Almost surely, 2^812629409950 is an apocalyptic number.

812629409950 is a deficient number, since it is larger than the sum of its proper divisors (702304364690).

812629409950 is a wasteful number, since it uses less digits than its factorization.

812629409950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37022292 (or 37022287 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 812629409950 in words is "eight hundred twelve billion, six hundred twenty-nine million, four hundred nine thousand, nine hundred fifty".