1651451396 has 24 divisors (see below), whose sum is σ = 3304861056. Its totient is φ = 707345280.

The previous prime is 1651451393. The next prime is 1651451407. The reversal of 1651451396 is 6931541561.

It is not an unprimeable number, because it can be changed into a prime (1651451393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33161 + ... + 66351.

It is an arithmetic number, because the mean of its divisors is an integer number (137702544).

Almost surely, 2^1651451396 is an apocalyptic number.

It is an amenable number.

1651451396 is an abundant number, since it is smaller than the sum of its proper divisors (1653409660).

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

1651451396 is a wasteful number, since it uses less digits than its factorization.

1651451396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34979 (or 34977 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 1651451396 is about 40638.0535459069. The cubic root of 1651451396 is about 1182.0121266923.

The spelling of 1651451396 in words is "one billion, six hundred fifty-one million, four hundred fifty-one thousand, three hundred ninety-six".