1951036428 has 36 divisors (see below), whose sum is σ = 5003901560. Its totient is φ = 591222720.

The previous prime is 1951036343. The next prime is 1951036447. The reversal of 1951036428 is 8246301591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670393 + ... + 673296.

Almost surely, 2^1951036428 is an apocalyptic number.

It is an amenable number.

1951036428 is an abundant number, since it is smaller than the sum of its proper divisors (3052865132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1951036428 is a wasteful number, since it uses less digits than its factorization.

1951036428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343718 (or 1343705 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1951036428 is about 44170.5380089489. The cubic root of 1951036428 is about 1249.5542790585.

The spelling of 1951036428 in words is "one billion, nine hundred fifty-one million, thirty-six thousand, four hundred twenty-eight".