1951945361036 has 24 divisors (see below), whose sum is σ = 3827155772496. Its totient is φ = 863268217920.

The previous prime is 1951945361027. The next prime is 1951945361057. The reversal of 1951945361036 is 6301635491591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599490191 + ... + 599493446.

It is an arithmetic number, because the mean of its divisors is an integer number (159464823854).

Almost surely, 2^{1951945361036} is an apocalyptic number.

It is an amenable number.

1951945361036 is a deficient number, since it is larger than the sum of its proper divisors (1875210411460).

1951945361036 is a wasteful number, since it uses less digits than its factorization.

1951945361036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198983689 (or 1198983687 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 1951945361036 in words is "one trillion, nine hundred fifty-one billion, nine hundred forty-five million, three hundred sixty-one thousand, thirty-six".