1900348857433 has 16 divisors (see below), whose sum is σ = 2051638666000. Its totient is φ = 1749789941760.

The previous prime is 1900348857431. The next prime is 1900348857437. The reversal of 1900348857433 is 3347588430091.

It can be written as a sum of positive squares in 8 ways, for example, as 1262144396304 + 638204461129 = 1123452^2 + 798877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1900348857433 - 2¹ = 1900348857431 is a prime.

It is a super-2 number, since 2×1900348857433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1900348857431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61988293 + ... + 62018941.

It is an arithmetic number, because the mean of its divisors is an integer number (128227416625).

Almost surely, 2^{1900348857433} is an apocalyptic number.

1900348857433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1900348857433 is a deficient number, since it is larger than the sum of its proper divisors (151289808567).

1900348857433 is a wasteful number, since it uses less digits than its factorization.

1900348857433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42412.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1900348857433 in words is "one trillion, nine hundred billion, three hundred forty-eight million, eight hundred fifty-seven thousand, four hundred thirty-three".