1552099643 has 18 divisors (see below), whose sum is σ = 1694967876. Its totient is φ = 1420956288.

The previous prime is 1552099613. The next prime is 1552099651. The reversal of 1552099643 is 3469902551.

It is not a de Polignac number, because 1552099643 - 2⁶ = 1552099579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1552099594 and 1552099603.

It is not an unprimeable number, because it can be changed into a prime (1552099613) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 393680 + ... + 397602.

It is an arithmetic number, because the mean of its divisors is an integer number (94164882).

Almost surely, 2^1552099643 is an apocalyptic number.

1552099643 is a deficient number, since it is larger than the sum of its proper divisors (142868233).

1552099643 is an equidigital number, since it uses as much as digits as its factorization.

1552099643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 1552099643 is about 39396.6958386106. The cubic root of 1552099643 is about 1157.8168517765.

The spelling of 1552099643 in words is "one billion, five hundred fifty-two million, ninety-nine thousand, six hundred forty-three".